Dach
[医][=diamino-cyclohexane]二氨基环己烷
🗣️ 情景例句
We have brought this transaction to a successful conclusion.
我们已成功地达成了协议。
What point are you trying to make?
你正在试着给出什么观点？
The number of wagging dances per minute told the exact distance to the feeding place.
每分钟跳摇摆舞的次数说明了到喂食点的精确距离。