Dien
[化] 二亚乙基三胺; 二(2-氨基乙基)胺
🗣️ 情景例句
Please stay where you are, we'll have a patrol car there in two minutes.
请您呆在原地，两分钟之内我们派巡逻车过来。
The chemist discovered a new synthetic material.
化学家发现了新的复合物质。
The house was dirty. They hadn't cleaned it for weeks.
房子很脏，他们好几个星期没打扫了。