N,n-dimethyl-p-phenylenediamine
[化] N,N-二甲基对苯二胺
🧩 词语组成解析
[医] 二甲基
苯二胺
🗣️ 情景例句
He did everything within his power to achieve the goal.
他竭尽全力去实现目标。
I don't know anything about that.
关于那个我什么都不知道。
Thus Ellis Island became known as the Island of Tears.
想要进入美国的人都必须经过多次的智力测验和体格检查，大约有200万人不准入境。因此，埃利斯岛被人们称为“眼泪岛”。