Ketoestrone
酮雌(甾)酮
🗣️ 情景例句
Performing arts--performing arts centers.
表演艺术-- 表演艺术中心。
This is a camera.
这是一台照相机。
Frank begged him to do so and the dealer reluctantly prised it open.
经弗兰克恳求，古董商才勉强把货箱撬开了。