Convicin
[建] 伴蚕豆嘧啶核
🗣️ 情景例句
This is as useful as screen door on a submarine.
这毫无用处。
I've had enough.
我已经吃饱了。
Why? One difficulty is to construct the agreements.
为什么呢？困难之一是起草这些协议。