Tetrachyrin
羟基甲基降贝壳杉烯酸内酯
🗣️ 情景例句
Thank you. Just put them on my desk.
谢谢。 把它们放在我桌上。
Here's a prescription for a painkiller.
这是止痛的处方。
After speaking for about half an hour he came to a sad part of the family history.
大约谈了半个小时之后，他谈到了家族史中的一件伤心事。