Periplocin
杠柳素, 萝蘑苷
🗣️ 情景例句
Good morning, Mr. Zhou. Take a seat, please. What can I do for you?
早上好，周先生。请坐。有什么事吗？
My brother is a member of the faculty.He teaches economics.
我的兄弟是全体教员中的一员，他是教经济学的。
The Turners are going on a train. The conductor is coming round.
特纳一家人在火车上。列车员走过来。