Certation
花粉管竞生
🗣️ 情景例句
I did , but everything is OK,so I decided to come back.
回去了， 但一切安好。于是我决定回来。
Tom's been feeling blue ever since his divorce.
自离婚以来，汤姆一直很忧郁。
It's no use complaining.
发牢骚没什么用。