Dihydroxytoluene
[医] 二羟基甲苯, 苔黑素
🗣️ 情景例句
How's that?
这是怎么一回事？
I had thought he knew the time of the meeting.
我原以为他知道开会时间。
with their fellow scientists either in other countries or in universities,
和其他国家、其他大学同行们