U.s.a.
辅助 Assistant美国
✅ 同义词
🗣️ 情景例句
It's mostly young people who take part.
参加活动的绝大多数是年青人。
It's bleeding.You'd better go see a doctor about that cut.
它正在流血. 你最好为那个刀口去看医生。
so they insured it for the trip.
于是，他们对这只盘子的运输安全投了保。