Dihydroxytoluene
[医] 二羟基甲苯, 苔黑素
🗣️ 情景例句
Mr. O'Neill is the publisher of several magazines. O'Neill
先生是好几家杂 的发行人。
Many good cows have evil calves.
很多好母牛，会生坏小犊。
easily obtainable from the lunar rocks in the form of liquid oxygen.
从月球上的岩石中很容易提炼出液态氧，