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hard surface的英文翻譯是什麼意思，詞典釋義與在線翻譯：
英英釋義
Verb:
-
cover with asphalt or a similar surface;
"hard-surface roads"
hard surface的用法和樣例：
例句
- A small firework consisting of some gravel wrapped in tissue paper with a percussion cap that explodes when thrown against a hard surface.
摜炮一種由草紙包住一些礫石製成的小型鞭炮，其打火帽在與堅硬表面撞擊時發生爆炸
