Shm
[化] 简谐运动
🗣️ 情景例句
but my work keeps me busy.
但我老是忙于工作。
You can go whenever you wish.
无论何时你希望去你就能去。
The plane was then able to rise and it cleared the mountains by 400 feet.
于是飞机可以上升了，它在离山头400英尺的高度飞越了过去。