Chorionic sac
[医] 绒毛膜囊
🧩 词语组成解析
[医] 绒[毛]膜的
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
You will waste a lot of money trying to keep up with the newest fashions every year.
为了跟上每年最新的时装潮流，你得花大把的钱。
Yes, but I don't want go downtown.
是的，但是我不希望上街。
Then grow some tomatoes in one box which has plant food in the soil and some in another box which doesn't.
然后，在一个箱子里种一些西红柿，里面的土有养料，而在另一个箱子里也种一些，但里面的土没有养料。