N-(3-aminopropyl)-butane-1,4-diamine
[化] 亚精胺; N--1,4-丁二胺; N-3-氨基丙基-1,4-丁二胺
🗣️ 情景例句
He treats everyone with courtesy.
他对待每一个人都很有礼貌。
Offence is the best defence.
进攻是最好的防御。
In return for this, the beggar stood on his head and sang songs.
作为回报,那乞丐头顶地倒立起来,嘴里还唱着歌。
更多情景英语 ›