Davidigenin
二羟苯基羟基丙酮
🗣️ 情景例句
They're in my office.
在我办公室。
Tom's been feeling blue ever since his divorce.
自离婚以来，汤姆一直很忧郁。
Learn to say the right thing at the right time.
学会在适当的时候说适当的话。