Estrone
n. 雌激素酮\\n[化] 雌酮
🗣️ 情景例句
The course I took was above me.
我上的这门课太难了。
He is planning his future already.
他已经在为将来做打算了。
They put small presents in each other's stockings.
他们把小礼物装进对方的长统袜里。