Rectal valves
[医] 直肠横襞
🧩 词语组成解析
a. 直肠的\\n[医] 直肠的
n. 阀门；真空管；瓣膜（valve的复数）
🗣️ 情景例句
it's a good picture.
那是一张好照片。
I finished working at 5:30 and went home.
我在5:30完成了工作并且回家。
and that this happens at a rate which differs little from person to person,
衰老的速度在人与人之间相差甚微，