Hemorrhoidal veins
[医] 痔静脉, 直肠静脉
🧩 词语组成解析
a. 痔的, 直肠及肛门的
n. 纹理；静脉（vein的复数）
🗣️ 情景例句
Who ever heard of a pet goat?
有谁听过宠物羊的啊？
It's hard to say.
很难说。
But as the paper moved from side to side under the pen point,
由于纸在笔尖下来回运动，