Perpetual motion
n. 永恒运动
🧩 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
He came down with the flu, so he didn't go to work.
他感冒了，所以没去上班。
Look! Lightening has struck the tree and it's on fire.
瞧！闪电划下来，引燃了树木。
I checked our supply of that material you asked for.
我查过了库存中你要的那种材料。