Chrysenequinone
[化] 5,6-┒醌
??? 情景例句
Hello, I have a bad headache.
喂，我的頭痛得很厲害。
Do you think you'll be able to go to sleep right away?
你認為你將馬上入睡嗎？
This one is empty. Could I have a full one, please?
我能有一個滿的嗎？