Stds
(STD 的复数) [计] 标准
🗣️ 情景例句
OK, let me get my wallet and we'll take off.
好，让我拿一下钱包，我们就走。
I want to reserve a seat from los angeles to tokyo.
我要预订一张从洛杉矶到东京的机票。
Aren't you concerned about it?
难道你不担心吗？