Ketoestrone
酮雌(甾)酮
🗣️ 情景例句
My parents paid my way through college.
我父母供我上大学。
Do you think you can get me to Union Station by quarter after?
你看你能否在一刻前把我送到联合车站？
It was coming round the corner.
它正驶到拐弯处。