Central placenta
[医] 中央胎盘
🧩 词语组成解析
placenta
[plə'sentə]
n. 胎盘，胎座;
🗣️ 情景例句
I can't express myself very well in English.
我用英语表达不好。
Discontent is the first step in progress.
不知足是前进中的第一步。
New jobs are needed because a number of people are out of work.
因为许多人没有工作，所以需要为他们提供就业机会。