Chorionic circuiation
[医] 绒毛膜循环
🧩 词语组成解析
[医] 绒[毛]膜的
[医] 循环
🗣️ 情景例句
By working together,
透过共同工作，
By the time we got there,the play had already begun.
等我们到那里，戏已经开始了。
In a few minutes he returned with my bag and gave it back to me.
一会儿工夫他拿着我的提包回来了，把它还给了我。