M-phenylenediamine
[化] 间苯二胺
🧩 词语组成解析
苯二胺
🗣️ 情景例句
He's quite a man.
他是个了不起的人。
Don't tell anyone that I did it.
别说是我做的。
but the paper was wrapped round a drum which rotated slowly.
根但是纸是卷在慢慢旋转的圆筒上的。