| 单词 | rub |
|---|---|
| 音标 | [rʌb] [rʌb] |
| 释义 | vt.["擦，摩擦","用…擦","触怒","（使）相互磨擦"] vi.["接触，摩擦","擦伤","在困境中持续下去"] n.["摩擦的动作","表面不平","阻碍，困难"] |
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