Cardinal vein
主静脉
🧩 词语组成解析
vein
[ven]
n. 静脉;[地]矿脉，岩脉;[植]叶脉;气质，倾向;
v. 使有脉络;使有纹理;象脉络般分布于;
🗣️ 情景例句
Does Richard Stewart live here?
Richard Stewart住这吗？
She is very well, thank you.
她很好，谢谢。
Someone is ringing the bell.
有人在按门铃。