Umbelliferic acid
[医] щ花酸
🧩 词语组成解析
🗣️ 情景例句
When I was asked to speak in English.
刚才当被要求说英语的时候。
We have a wide selection of sweaters that will appeal to all ages, and in particular the teenager market which you specified.
我们有各种各样适合各个年龄层次的羊毛衫，特别是您专门提到的青少年市场。
There're usually a lot of parties on New Year's Eve.
除夕之夜有很多晚会。