Rectal folds
[医] 直肠横襞
🧩 词语组成解析
a. 直肠的\\n[医] 直肠的
n. 皱褶；折痕（fold的复数形式）
🗣️ 情景例句
I'm totally exhausted by the time I get home.
等我回到家，已经累得精疲力竭了。
What are you going to do with the books?
你打算拿这些书怎么办？
I know! smiled Lucy. They have steps, and they begin with L!
“我知道！”露茜笑着说，“它们有阶梯，并且这个单词是以L开头的！”