Previscan
[化] 氟茚二酮
🗣️ 情景例句
It is important to speak directly and clearly about your subject.
直接了当且明白清楚地说明自己的目的是很重要的。
He that runs fastest gets the ring.
捷足先登。
We agree to insert a clause giving you a ten-day grace period.
我们同意给你加上一条10天宽限期的条款。