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
All packed and ready.
都打包好了。
Do in Rome as the Romans do.
入乡随俗。
The story of a poor family that acquired fame and fortune overnight, dramatically illustrates the power of the press.
下面这户穷人一夜之间出名发财的故事戏剧性地说明了新闻报道威力。