Anthrone
蒽酮
??? 情景例句
But?
但是？
A person must strain one's ears to hear a wild animal in the forest.
在森林里，人類必須對野獸豎起耳朵才行。
Fearing the authorities, Eric remained in hiding after the war as well.
由于害怕當局，埃里克戰后繼續深藏不露。