Embryo sac
胚囊
🧩 词语组成解析
sac
[sæk]
n. （动植物组织中的）囊，液囊;
abbr. 缩写 = (US) Strategic Air Command 战略空军司令部。;
🗣️ 情景例句
That's it. There.
很好。啊。
Blind men can judge no colours.
不宜问道于盲。
6 What would you like to be admired for?
6。你乐于被夸奖的事是什么？