Uscis
abbr. 美国公民及移民服务局（US Citizenship and Immigration Services）
🗣️ 情景例句
Bye.
再见。
We shouldn't have any trouble if the traffic isn't to heavy.
如果交通不太拥挤的话，我们不会有什么困难。
First, I tell the actors where to stand and where to move.
首先，我要告诉演员在剧中站立和移动的位置。