Subcardinal veins
[医] 下主静脉(胚)
🧩 词语组成解析
n. 纹理；静脉（vein的复数）
🗣️ 情景例句
I have to go out and hand out fliers.
我要出去派传单。
The pressuer of work was too great for him.
工作压力使他承受不了。
runs the gentle slope of the continental shelf, geologically part of the continents.
从地质学上来说，它是大陆的一部分。