Tetraethylenepentamine
[化] 四乙五胺; 四亚乙基五胺
🗣️ 情景例句
When I watch sad movies I get really depressed.
当我看悲伤的电影时，我常常很难过。
I'll take it.
我要了。
Though a number of descents have been made, much of it still remains to be explored.
人们多次进入洞内探险，但至今尚有不少东西有待勘探。