Gestrinone
乙基羟基二降孕三烯炔酮
🗣️ 情景例句
Boswell's a powerful speaker.
Boswell是个有辩才的演说家。
What is she doing now?
她现在干些什么呢？
One moring she was working at her desk in the library when a boy came in.
一天早上，她正在图书馆里伏案工作，这时，一个男孩走进来。