Luffing
俯仰运动, 上下摆动, 起重机臂的转动
🗣️ 情景例句
I'm ready. See you later, Marilyn.
我准备好了。Marilyn 再见。
All the neighbors helped us move in.
邻居们都帮忙为我们搬家。
How can we set up an account with you?
如何才能跟你们设立记帐户头呢？