Norcholanic acid
[化] 降胆烷酸
🧩 词语组成解析
🗣️ 情景例句
Which part of the paper do you read first?
你会先看报纸的哪一部分？
The telephone is ringing,would you answer it,please?
电话正在响,你接吗？
Mr.Wang is fixing his bike.
王先生在修他的自行车。