palindrome

名词 palindrome:

1. a word or phrase that reads the same backward as forward

pal.in.drome

n.（名词）
A word, phrase, verse, or sentence that reads the same backward or forward. For example:
回文：正读、反读都相同的一个单词、词组、诗节或句子，例如：
例句：
A man, a plan, a canal, Panama!
一个人、一个计划、一个运河、巴拿马!

A segment of double-stranded DNA in which the nucleotide sequence of one strand reads in reverse order to that of the complementary strand.
回文结构：含有双股脱氧核糖核酸的一部分，其中的核苷酸系列的一股颠倒顺序来读取即为互补的一股

来源：
From Greek palindromos [running back again, recurring]
源自 希腊语 palindromos [又跑回来，再发生]
palin [again] * see k wel-
palin [重新] *参见 k wel-
dromos [a running]
dromos [跑步]

【引伸】
pal.indro.mic