Embryonic sac
[医] 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
If you don't like it, I whis you would say so.
如果你不喜欢，我希望你能说出来。
He doesn't think that beer tastes good.
他不认为啤酒的味道好。
Kate! It's late. Why are you in bed?
凯特！晚啦。你怎么还在床上？