| 词条 | tier |
| 释义 | tier n. 列, 行, 排, 层, 等级vt. 使造成递升排列, 使层叠vi. 成递升徘列 英英解释: 名词tier: 1. a relative position or degree of value in a graded group 同义词：grade, level 2. any one of two or more competitors who tie one another 3. a worker who ties something 同义词：tier up 4. something that is used for tying 5. one of two or more layers one atop another |
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