Estrone
n. 雌激素酮\\n[化] 雌酮
🗣️ 情景例句
I'm totally exhausted by the time I get home.
等我回到家，已经累得精疲力竭了。
I started school at the age of 6.
我六岁开始上学。
He has been able to tell us more about active volcanoes than any man alive.
他能告诉我们的有关活火山的情况比任何在世的人都要多。