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
Stone's bilingual ability and his work experience were the qualities that helped him get the job over all the other candidates.
世通的双语能力和他的工作经验使他胜过其他候选人获得这份工作。
That's nice. Where?
好啊，去哪儿了？
How often do you write?
你们隔多久写信？