Dehydrocholesterol
[医] 脱氢胆甾醇
🗣️ 情景例句
The age range is from 6 months to 47 years.
年龄档次从6个月到47岁不等。
I played upstairs yesterday.
我昨天在楼上玩。
Everybody here is busy getting ready for it and buying Christmas presents.
这里的每一个人都在忙于为圣诞节做准备和忙于购买圣诞节礼物。