Methylnaphthohydroquinone
[化] 甲萘氢醌; 甲基萘氢醌; 维生素K-4
🗣️ 情景例句
Don't you just love it?
你能不喜欢吗
The best teacher one can have is necessity.
我们能得到的最好教师是“需要”。
What do the farmers do with your machines?
农民用机器做什么呢？