Uscis
abbr. 美国公民及移民服务局（US Citizenship and Immigration Services）
🗣️ 情景例句
In the section on culture,
在文化这部分，
How much is it all together?
一共多少钱？
Are you free later today, Mr. Green?
您今天晚些时候有空吗，格林先生？