piecemeal /ˈpiːsˈmiːl/ adjective Learner's definition of PIECEMEAL
[more piecemeal; most piecemeal]
: done or made in a gradual way in a series of separate steps逐步的；零散的 -
They've done piecemeal repairs in the past, but the bridge now needs major reconstruction.过去他们对这座桥做了些零零星星的修补，但现在这座桥需要大修。
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Some people want the changes to be made all at once, but I think we should take a more piecemeal approach.一些人希望变革能一步完成，但我认为应该逐步推进。