heat-up time

例句：

1. 1.The oven needs about 20 minutes to heat up before cooking.
   烤箱需要大约20分钟预热才能开始烹饪。
2. 2. Before starting the engine, it's important to warm up the car's engine.
   启动引擎之前，重要的是要给汽车的引擎预热。
3. 3.The team warmed up their muscles for the upcoming game.
   团队为即将到来的比赛预热了他们的肌肉。