Mechanical motion
[化] 机械运动
🧩 词语组成解析
motion
['məuʃən]
n. 运动;手势;动机，意向;请求;
vt. 打手势;向某人点头或摇头示意;打手势要求[指示];
vi. 运动;打手势;
🗣️ 情景例句
It's still raining. I want to play tennis.
仍然在下雨。我想打网球。
He who does not honour his wife, dishonours himself.
人不贵妻，自我丢脸。
its action depends on the surface, water or ground, over which it rides.
它的飞行取决于它所悬浮的水面或地面。