Spirostanone
[化] 螺甾烷酮
🗣️ 情景例句
No, no. But I do have very close friends in New York City.
没有。我在纽约有很要好的朋友。
Me too. I was hoping we could go to the beach today, but it looks like that's out of the question.
我也这么想，我本来希望我们今天去海边，但看来没戏了。
All the students are expert drivers, but before they drive any of the buses, they will have to pass a special test.
所有的学生都是开车的能手，但在驾驶公共汽车之前，他们必须通过一项专门测验。