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
Well, Grandpa will be disappointed, too.
爷爷也会感到失望。
Punctuality is the soul of business.
严守时间是办事情的重要原则。
I'm sorry, Lucy.I'm afraid that I can't get up.
对不起，露西，恐怕我站不起来。