| 释义 |
tierHtIE5, $tIrn [C]one of several layers or levels(多层中的)一层We sat in one of the upper tiers of the football stands.我们坐在足球看台上层中的一排。My wedding cake had four tiers, each supported by small pillars.我的结婚蛋糕有四层，每层都由小柱子架着。I don't understand why you think we need yet another tier of management.我不明白你为什么认为我们还需要一个管理层。
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