Perhydroanthracene
蒽烷, 全氫化蒽
??? 情景例句
What's that?
什么事？
Wisdom is a good purchase though we pay dear for it.
我們為了求知識，付出高價也值得。
Then put these clothes in the wardrobe.
然后把這些衣服放進衣櫥里去。