Hydronaphthoquinone
萘二酚
🗣️ 情景例句
Oh, I'm fine.
噢， 我不要紧。
Fortune is good to him who knows to make good use of her.
知道利用幸福的人才有幸福。
Are you holding the ladder, Jim?
你扶住了梯子吗，吉姆？