Tetramethyl leucaniline
[化] 二苯甲烷; 二二甲氨基苯基苯甲烷
🧩 词语组成解析
a. [化]四甲基的
🗣️ 情景例句
You are very lucky, Robbie, to have such a nice family.
Robbie你真幸运 拥有这样温馨的家。
Yes, I guess that would be all right.
行，我想没问题。
There is only one difference between an old man and a young one:
老年人和年轻人之间仅仅有一个不同：