Diazohydrates
重氮醚类(指含有二价基的化合物类)
🗣️ 情景例句
All right. That's it for today.
行了。今天就做这些。
Silence in times of suffering is the best.
遭到不幸时，沈默是上策。
for fear the agents of other firms should be able to trace the kind of research they are likely to be undertaking.
他们生怕别的公司的情报人员据此摸到他们可能要从事的某项科研项目。