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n.改好,改良,改进( betterment的名词复数 )...
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betterments的音标:betterments的英式发音音标为:['betəmənts]betterments的美式发音音标为:['betəmənts]...
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The cost of rehabilitation plus betterments approached 40 % of the value of the structure.修复费加上加固费接近建筑物造价的40%.The last part of this paper draws the conclusion and conceives this task's betterments. "最后一章给出结论以及本工作的改进...