Pentamethylenediamine
[醫] 五甲烯二胺, 尸胺
??? 情景例句
We had a great time, Mom.
我們玩得非常開心，媽媽。
Beauty may have fair leaves, but bitter fruit.
美麗的花或許長好葉，結苦果。
below 20 per cent, its bactericidal action is negligible.
濃度低于20％時，殺菌能力基本上就不存在了。