Adrenosterol
[化] 腎上腺甾醇
??? 情景例句
He started with them almost forty years ago.
他在那里做了快四十年了。
It is easier to raise the devil than to lay him.
養虎易，馴虎難。
Yes, it is an old photo of my family.
是的，是我們家的一張老照片。