Norcholanic acid
[化] 降胆烷酸
🧩 词语组成解析
🗣️ 情景例句
It'll all be over in two hours.
再两个小时就结束了。
Henry got a toothache and asked to be excused.
亨利牙疼，请求离开一下。
Where do you live?
你住哪儿？