explosives

n a chemical substance that undergoes a rapid chemical change (with the production of gas) on being heated or struck

n. 爆炸物, 炸药；爆炸品（explosive的复数）

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使用频率

explosives 由词根 explos-（爆炸）和后缀 -ives（形容词后缀，表示具有某种性质）构成，整体意思是“具有爆炸性的物质”。

例句

1. The military uses explosives for demolition tasks.

军方使用炸药进行拆除工作。

2. Fireworks are a type of explosives used for celebrations.

烟花是一种用于庆祝的炸药。

3. Handling explosives requires special training and safety precautions.

处理炸药需要特殊的培训和安全措施。