| 单词 | secondtier |
| 释义 | second tier noun [countable] the second level of sth or a less important level than the first level 二级的◆he was promoted from the second tier of management to a top job. 他从二级管理岗位获提拔到最高职位。◆second-tier companies/stock (= smaller, less important companies) 二级公司／股票 |
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