Reactionogen
反应原
🗣️ 情景例句
in the children's ward.
在小儿科病房那边。
We must make it clear from the very beginning that competitive quotations are acceptable.
必须一开始就讲清的是，有竞争力的报价可以接受。
This one is empty. Could I have a full one, please?
我能有一个满的吗？