名词
中文翻译：预热
同义词：
['preheating', 'pre-heating']
例句：
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1. Before the game, we need to preheat the equipment.
比赛前，我们需要预热设备。
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2. The oven needs to be preheated for at least 30 minutes before cooking.
烤箱在烹饪前需要预热至少30分钟。
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3. The car's engine needs to be preheated before starting the engine.
汽车的引擎在启动之前需要预热。