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
Do you think the doctor could see me tomorrow before 9:30?
你看医生在明天9:30前能给我看病吗?
They may also have used wood and skins, but these have rotted away.
他们也可能用过木头和兽皮,但这类东西早已腐烂殆尽。
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