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
The plight of starving people is too awful to think about.
饥民的苦境糟得不可想象。
Art is long, but life is short.
人生有限，学问无涯。
The day after tomorrow will be sunny.
后天转晴。