Ectosac
[医] 外膜, 外囊(卵)
🗣️ 情景例句
You should have your breakfast, Son.
你应该吃早点 ，孩子。
Let's just hope it doesn't get cold again.
但愿不会再冷。
He offered to train Mendoza and his young pupil was quick to learn.
他主动提出教授门多萨，而年少的门多萨一学就会。