Flavanthrene
[化] 黄烷士林
🗣️ 情景例句
Susan, I understand you're in the toy business. Susan
听说 ，是在玩具业工作。
It's too sour.
太酸了。
She asked me to speak more loudly. The line was bad.
她告诉我要说大声一些。线路很糟。