Androstanediol
[化] 二氢雄甾酮; 雄甾烷二醇\\n[医] 雄甾烷二醇
🗣️ 情景例句
But personally I believe a business letter should end with Very truly yours, not Sincerely.
还行，乔治。但是我个人相信一封商业信函应该以“敬上”结尾，而不是“谨启”。
All things are easy that are done willingly.
做事乐意，诸事容易。
This one?
这本吗？