Spirostanone
[化] 螺甾烷酮
🗣️ 情景例句
The world could be heading for an economic recession.
世界也许正在走向经济衰退。
This driver cannot driver any farther because there is a man in the manhole.
由于
The children were at school, my husband was at work and the house was quiet.
孩子们在上学，我丈夫在上班，家里清静得很。