英语中的对称词是什么意思
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day by day 逐日day after day 每日one by one 逐个bit by bit 一点点地little by little 渐渐地step by step 逐步地by and by 逐渐side by side 并排face (nose) to face (nose) 面对面back to back 背靠背hand in ...
======以下答案可供参考======
供参考答案1:
palindrome, 即回文词，从左向右和从右向左字母顺序同。
如：mom, deed, noon, radar, level etc.