Shm
[化] 简谐运动
🗣️ 情景例句
By the way, what are you going to do on Christmas?
顺便问一下，圣诞节你打算做什么？
Councils of war never fight.
主战者不打仗。
Well, Mrs Brown, maybe he has caught a bit of a cold.
嗯，布朗太太，也许他只是有点儿感冒。