Dihydrocholesterin
二氢胆甾醇
🗣️ 情景例句
I'm stressed out. I need a vacation.
我筋疲力尽了，我要休假！
Hello! I'm from ABC Insurance. May I speak to you?
您好，我是从ABC保险公司来的。我可以跟您谈谈吗？
The first thing I saw when I entered the art gallery was a notice which said:
走进展厅首先看到的是一张告示，上面写着