chal·leng·er 
(chălən-jər)
(chălən-jər)n.
1. One that challenges: a challenger of established authority.
2. Sports One who competes against the holder of a title or championship, as in boxing.
| 单词 | challenger |
| 释义 | chal·leng·er (chălən-jər)n. 1. One that challenges: a challenger of established authority. 2. Sports One who competes against the holder of a title or championship, as in boxing. |
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