Dinosterol
[化] 黑海甾醇
🗣️ 情景例句
It's good that you went back.
你回去是对的。
Will Martha's consent to her marriage?
玛莎的双亲会赞成她的婚事吗？
It has to be tall because it is like a giant block and tackle,
井架必须很高，因为它像一个巨型滑轮组。