Blade
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定义
a blade: 刀片，刀锋
示例
- "Dr. Loblaw : Basically we're going to cut a flap of corneal tissue using a knife with an oscillating blade, open it up and remove some tissue beneath the cornea with a laser."
练习 1
Fill in the blanks below with terms used in this dialogue.
This noun describes the probability or percentage that an action will be successful.
'Laser eye surgery has a very high success .'
This noun describes the chance or percentage that something will go wrong or be inaccurate.
'Here are the statistics you requested, but keep in mind that there is a 5% of error.'
Hint: this term also describes the indentation and spacing of documents and letters!
This noun describes the sharp metallic object of a tool used for cutting. It can be part of a knife, sword or razor.
'I just bought a new razor with an extra sharp for an extra close shave.'
Hint: The answer is not 'knife'!
This term describes a professional who cares for the sick and infirm, and often help doctors in doing so.
'She has always loved to help sick people, so it didn't surprise me to see her become a .'
This noun describes the probability or percentage that an action will be successful.
'Laser eye surgery has a very high success .'
This noun describes the chance or percentage that something will go wrong or be inaccurate.
'Here are the statistics you requested, but keep in mind that there is a 5% of error.'
Hint: this term also describes the indentation and spacing of documents and letters!
This noun describes the sharp metallic object of a tool used for cutting. It can be part of a knife, sword or razor.
'I just bought a new razor with an extra sharp for an extra close shave.'
Hint: The answer is not 'knife'!
This term describes a professional who cares for the sick and infirm, and often help doctors in doing so.
'She has always loved to help sick people, so it didn't surprise me to see her become a .'
Fill in the blanks below with terms used in this dialogue.
This noun describes the probability or percentage that an action will be successful.
'Laser eye surgery has a very high success rate 1.'
This noun describes the chance or percentage that something will go wrong or be inaccurate.
'Here are the statistics you requested, but keep in mind that there is a 5% margin 2 of error.'
Hint: this term also describes the indentation and spacing of documents and letters!
This noun describes the sharp metallic object of a tool used for cutting. It can be part of a knife, sword or razor.
'I just bought a new razor with an extra sharp blade 3 for an extra close shave.'
Hint: The answer is not 'knife'!
This term describes a professional who cares for the sick and infirm, and often help doctors in doing so.
'She has always loved to help sick people, so it didn't surprise me to see her become a nurse 4.'
This noun describes the probability or percentage that an action will be successful.
'Laser eye surgery has a very high success rate 1.'
This noun describes the chance or percentage that something will go wrong or be inaccurate.
'Here are the statistics you requested, but keep in mind that there is a 5% margin 2 of error.'
Hint: this term also describes the indentation and spacing of documents and letters!
This noun describes the sharp metallic object of a tool used for cutting. It can be part of a knife, sword or razor.
'I just bought a new razor with an extra sharp blade 3 for an extra close shave.'
Hint: The answer is not 'knife'!
This term describes a professional who cares for the sick and infirm, and often help doctors in doing so.
'She has always loved to help sick people, so it didn't surprise me to see her become a nurse 4.'
1 rate: A 'rate' has several meanings in different contexts, however here it refers to the percentage, chance or probability that Kevin's surgery will succeed. The term 'success rate' is often used in the context of dangerous or difficult actions, for example: Cloning sheep has a success rate of 33%, but it is rising rapidly.
2 margin: 'The margin of error' describes the chance or possibility (often expressed in a percentage) that data or information is inaccurate. The term is often used in the context of surveys and polls. For example, a survey which shows that 78% of Americans like penguins, with a 3% margin of error, indicates that the true number of Americans who like penguins is between 75% and 81% (a 3% shift in both directions). Note that 'margin' has several meanings in different contexts.
3 blade: 'A blade' is a thin, flat surface, generally made of metal, used for cutting (or shaving). 'A blade' can also refer to a sword, but in the context of this dialogue is used to describe an instrument to be used during Kevin's surgery: The doctor will take a knife with an oscillating blade and cut a flap of tissue from Kevin's eye. Yummy!
4 nurse: A 'nurse' is a medical professional that traditionally assists doctors. In this dialogue, Dr. Loblaw calls for the nurse to come into the operating room with the surgical instruments in order to begin Kevin's surgery.
练习 2
Idiom alert!
Horatio uses the expression "to stab someone in the back".
To stab literally means to .
Horatio uses the expression "to stab someone in the back".
To stab literally means to .
Idiom alert!
Horatio uses the expression "to stab someone in the back".
To stab literally means to pierce with a blade.
Horatio uses the expression "to stab someone in the back".
To stab literally means to pierce with a blade.
pierce with a blade: This is correct. To "stab" describes "thrusting" or "plunging" a blade (such a "knife" or a "dagger", for example), usually into someone's body. For example: The woman was stabbed seven times with a knife but survived. The verb here is used as part of the expression "to stab someone in the back", which describes the act of "betraying" someone.
slap with the hand: This is incorrect. "Stabbing" describes "piercing", not "slapping", which is usually done with the palm or back of one's hand. Did you know: the expression "to give someone a slap (or pat) on the back" means to congratulate them.
say bad things: This is incorrect. "Stabbing" describes "piercing", not "saying bad things". Did you know: the expression "to say (or do) something behind someone's back" is to do it without the knowledge or approval of another.
scratch: This is incorrect. "Stabbing" describes "piercing", not "scratching", which describes rubbing, scraping, or tearing with something sharp or rough on the surface of something. Example: Can you scratch my back? I have an itch.
punch with the fist: This is incorrect. "Stabbing" describes "piercing", not "punching", which describes hitting or striking someone with a closed "fist" (the hand in the form of a ball). Example: I was in the supermarket and somebody punched me in the face. It was weird, then I forgot to buy onions.
