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1. （变化或过程）逐渐发生的，零敲碎打的，零散的If you describe a change or process as piecemeal, you disapprove of it because it happens gradually, usually at irregular intervals, and is probably not satisfactory.
1. one thing at a time
Synonym: bit-by-bitin small stagesstep-by-stepstepwise
多通过句子记忆单词，而不是单独死记硬背。
