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
No. Would you mind?
不。你们不介意吧？
Don't whistle until you are out of the wood.
没有脱离险境，不要过早高兴。
Six men have been trapped in a mine for seventeen hours.
6个人被困在矿井里已有17个小时了。