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
It's not finished yet.
现在还没有完成。
I'll pretend I didn't see that.
睁一只眼，闭一只眼。
At the moment in my country there are very few such schools.
目前在我国这类学校太少了。