Sterone
甾酮, 固酮
🗣️ 情景例句
Haven't we met before?
我们没见过吗？
Alice did not look at the students.
爱丽斯没有看到学生。
One of the first things Annie did was to teach me how to play.
安妮首先要做的事情之一，就是教我如何耍。