Postcardinal veins
[医] 后主静脉(胚)
🧩 词语组成解析
[医] 后主静脉的
n. 纹理；静脉（vein的复数）
🗣️ 情景例句
And don't forget your camera and film, Richard.
别忘了你的照相机和底片， Richard。
Would it be possible for me to have a closer look at your samples?
可以让我参观一下你们的产品陈列室吗？
Yes, I have.I think that.I've hurt my back.
是啊，摔伤了。我想我把背摔坏了。