Chromones
色酮
🗣️ 情景例句
Are you traveling alone or whth a friend?
你是一个人旅行还是结伴旅游？
When it started raining, I was reading books.
当开始下雨的时候，我再看书。
I'm afraid I don't understand.
恐怕我还不明白您的意思。