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
Otherwise, they'll not be considered.
否则不予受理。
Would you open the door for me, please?
你能替我开门吗？
So I said,Don't worry. I can look after her. Thank you,Xiao Feng. Then she left.
“别着急，我能照顾她。”“谢谢你，小峰。”然后她走了。