Usas
[计]= United States of America Standard,美国国家标准
🗣️ 情景例句
I'm glad Mr. Marchetta was so helpful.
我真高兴 ，Marchetta先生如此帮忙。
What brings you to Beijing?
什么风把你吹到北京来的？
Do you have some time tomorrow?
明天有空吧？