Dehydrocholate
[医] 脱氢胆酸盐
🗣️ 情景例句
I want to buy an engagement ring for my fiancée.
我想为我的未婚妻买一枚订婚戒指。
I'd like to talk with Mr. Johns or Mr. Smith.
我想与约翰斯先生或史密斯先生谈话。
Let me help you. Do it like this.
我来帮你，要这样做。