Estrapentaene
[医] 五烯甲雌醇核
🗣️ 情景例句
I couldn't be more sure, Susan.
我再确定不过了， Susan。
There is nothing which has not been bitter before being ripe.
事情在成功前没有不艰苦的。
Well, I think at the beginning we'd rather have some fairly quiet and peaceful music.
好，我想，开始时，我们宁可听些柔和舒缓的音乐。