Dihydroxytoluene
[医] 二羟基甲苯, 苔黑素
🗣️ 情景例句
The truth is, I am.
事实上， 我的确如此。
Do now waste them, but use them while they are fresh.
不要浪费了这些，要趁未落伍时善加利用。
The other students in the class keep their eyes closed.
班里其余学生一直闭着眼。