Echinacosid
海胆苷
🗣️ 情景例句
Where did you get such a nice tan?
你到哪把皮肤晒成棕色的？
What does he do?
他是干什么的？
That'll be very intersting. What cities are you going to visit?
那一定很有趣。你们打算参观哪些城市？