2.at small scales:在小等级上。这里指的是在纳米等级上。
3.it is quite impressive in relation to the tiny scale of the motor:与电动机的小等级相比,功率是相当可观了。in relation to是与相比,如:The city is quite large in relation to its population.
4.Setup:装置。这里指nanomotor。
5.If it could be scaled up to the size of an automobile engine:如果纳米电动机能按比例放大到汽车发动机的尺寸。scaleup to是把按比例放大到。
练习:
1.Paragraph 2
2.Paragraph 4
3-Paragraph 5
4.Paragraph 6
A An introduction of a Toyotas 225 horsepower V6 engine.
B A description of the nanomotor in terms of power and size。
C Surface tension.
D Previous inventions of nanoscale products.
E The working principle of the nanomotor.
F P0ssible fields of application in the future.
5.Doctors envision that the nanomotor wouht travel through human bodies to
6.Surface tension means the tendency of atoms or molecules to
7.Nanoconveyors could be used.t0
8.Applying a snmll electric current causes atoms to
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