Lanostane
羊毛甾烷
🗣️ 情景例句
Anything interesting happening?
有什么有趣的事情发生吗？
What do you plan to do this Friday?
明天你打算干什么？
One day, the man downstairs went to talk to the man. He went upstairs and knocked the door.
一天，楼下人去找楼上人谈谈。 他上楼敲门。