Theca externa
[医] 外膜(卵泡)
🧩 词语组成解析
n. 囊, 膜, 鞘\\n[医] 膜, 鞘
🗣️ 情景例句
lots of things to do.
许多事情要做。
Please call me if you have any problems.
如果你有难题，就请打电话给我吧。
It seemed certain that she would be the first ship home, but during the race she had a lot of bad luck.
看来，它首先返抵英国是确信无疑的了，但它却在比赛中连遭厄运。