tour de force的用法和样例:
例句
用作名词 (n.)
- Work is equal to force times the distance through which the force acts.
功等于力乘上力作用所通过的距离。 - Until then, physicists had postulated boundary conditions in which no force acted on the ends of the strings, leaving them free to flap around.
当时,物理学家早已假定了没有力作用在弦两端的边界条件,让弦的末端可以自由摆动。