Coprosterin
[医] 粪甾烷醇, 粪甾醇
🗣️ 情景例句
Mr. O'Neill is the publisher of several magazines. O'Neill
先生是好几家杂 的发行人。
If I had known her telephone number, I would have called her.
如果我知道她的电话号码，我就给她打电话了。
Can we substitute in these things?
这几项可以用替代品吗？