Zoogene
生物沉积环境
🗣️ 情景例句
who's responsible for this meeting,
他是这个会议的负责人
She is tickling her baby.
她在咯吱她的小宝宝。
How would you go to Beijing, by air or by train?
你怎样去北京，是乘飞机还是坐火车？