Speciation
n. 物种形成
🗣️ 情景例句
When I was asked to speak in English.
刚才当被要求说英语的时候。
I felt it advisable to do nothing.
我认为最好什么也别做。
Do you want any meat today.Mrs. Bird?
您今天要买点肉吗，伯德夫人？