Spirostan
[化] 螺甾烷
🗣️ 情景例句
I love it.
我喜欢。
What is the total circulation of this journal.
这份报刊总发行量多少？
There is no shortage of tipsters around offering 'get-rich-quick' opportunities.
我们周围不乏情报贩子，向人们提供迅速发财致富的机遇。