Perpetual motion machine
永动机
🧩 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
As far as possible, the teacher should expose the student to real life situations.
教师应该尽可能使学生接触现实生活的情景。
The flight is delayed.
飞机晚点起飞。
I had to think of a way of preventing him from following me around all morning.
我得想办法不让他整个上午缠着我。