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
But it is not polite to ask older people their age.
但问老人的年龄是不礼貌的。
I ought to talk to him.
我应该和他商讨。
The coldest season of the year is winter.
一年里最冷的季节是冬天。