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
How good is your English?
你英语有多好?
Please give me your frank opinion.
请给我你坦率的意见。
On Christmas Eve the night before Christmas Day children all over Britain put a stocking at the end of their beds before they go to sleep.
在圣诞节前夜圣诞节前一天夜里全英国的孩子们在睡觉前,都把他们的长统袜挂在床脚边。
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