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
a portrait of the United States--
一幅美国的剪影--
We can't stand the summer weather.
我们不能忍受夏天的天气。
Nor is the city without its moments of beauty.
城市也并非没有良辰美景。