Spirostane
螺旋甾烷
🗣️ 情景例句
How do you like China so far?
你喜欢中国吗？
No, I'd rather not watch television tonight.
不，今晚我不愿看电视。
when the plane suddenly turned round and flew back to the airport.
这时飞机突然调转头来，飞回了机场。