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hard surface的英文翻译是什么意思，词典释义与在线翻译：
英英释义
Verb:
-
cover with asphalt or a similar surface;
"hard-surface roads"
hard surface的用法和样例：
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.
掼炮一种由草纸包住一些砾石制成的小型鞭炮，其打火帽在与坚硬表面撞击时发生爆炸
