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batteries

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n.电池

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batteries为短语/超纲词汇
1. Earthquake survival supplies include a radio receiver, a torch, extra batteries, first-aid supplies, a spade, a tent, some rope, and warm clothing.
    地震救生储备还包括无线电接收器、手电、备用电池、急救用品、铁锹、帐篷、绳子和保暖衣物。

2. This pocket calculator needs two batteries.
    这个袖珍计算器需用两节干电池.

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