Dien
[化] 二亚乙基三胺; 二(2-氨基乙基)胺
🗣️ 情景例句
Very few people last in this class for the full hour the very first time.
很少人能够第一次撑完一个小时的课。
She changed into old clothes for the sake of comfort.
为了舒适，她换上了旧衣服。
Fine, thanks. How are you?
谢谢，你好吗？