| 单词 | bellwether |
| 释义 | bell·wetherBrE /ˈbelweðə(r)/ NAmE /ˈbelweðər/ noun [usually sing. ]something that is used as a sign of what will happen in the future 征兆；前导◆ University campuses are often the bellwether of change . 大学校园往往引领变革的新潮。 |
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