Dien
[化] 二亚乙基三胺; 二(2-氨基乙基)胺
🗣️ 情景例句
I knew it.
我也知道了 。
This alone made our nine-day trip worthwhile.
光这件事我们9天的旅行就非常值得。
It immediately ran away when she saw it, and experts confirmed that a puma will not attack a human being unless it is cornered.
她刚看见它，它就立刻逃走了。专家证实，美洲狮非被逼得走投无路，是决不会伤人的。