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
Allow me to suggest an alternative.
让我提个其他的建议吧。
Thank you for your inquiry. Please tell us the quantity you require so that we can work out the offers.
感谢贵方询价。请告诉我们贵方所需数量以便我方报价。
I'm sorry I don't know. You'd better ask that policeman over there.
对不起，我不知道。你最好问问那边的警察。