Usta
abbr. 美国网球协会（United States Trademark Association）
🗣️ 情景例句
There's your sleeping bag.
这是你们的睡袋。
I'm sick and tired of having to take care of your brother just because he refuses to go out and find a job.
只是因为你弟弟不肯出去找工作就得我来照顾他，这真让我烦透了。
Yes, it is.It's very urgent.I feel awful. I have a terrible toothache.
是的，很急。我难受极了，牙痛得要命。