Diethylenediamine
[化] 二亚乙基二胺
🗣️ 情景例句
Hello. My name is Ellen Stewart,
你们好 ，我叫Ellen Stewart
Who is the governor of this state?
这个州的州长是谁？
Instead, I saw that they had discovered a new route.
结果却发现它们又找到一条新的路径。