Precardinal veins
[医] 前主静脉(胚)
🧩 词语组成解析
[医] 前主静脉的(胚)
n. 纹理；静脉（vein的复数）
🗣️ 情景例句
I shouldn't have done that.
我不该那么做。
We'll share everything.
我们什么都可以均分。
Because I've just retired.I want to buy a small house in the country.
因为我刚退休。我想在乡下买幢小房子。