preheat

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英 { "us": "", "uk": "" }
数据源: ai_enrichment
预热指在使用前将某物(如烤箱、发动机)加热到适当温度,以确保其正常工作或达到最佳效果。

用法要点

句型搭配

通常用于“preheat + 宾语”结构,宾语多为烤箱、炉子、机器等设备,表示在使用前先加热。

• preheat the oven
• preheat the engine
• preheat the machine

介词用法

常与介词“to”连用,表示预热到特定温度,如“preheat to 180°C”。也可用“for”表示预热目的,如“preheat for baking”。

• preheat to 350°F
• preheat for 10 minutes
• preheat for cooking

语域说明

主要用于烹饪、机械、工业等场景,在口语和书面语中均常见,属于中性正式程度。

• preheat the oven before baking
• preheat the industrial furnace
• preheat the car in winter

基础例句

Please preheat the oven to 180°C before putting in the cake.

请先把烤箱预热到180摄氏度,再放入蛋糕。

I always preheat my car for a few minutes on cold mornings.

在寒冷的早晨,我总是先把车预热几分钟。

Don't forget to preheat the grill before cooking the steak.

烤牛排前别忘了预热烤架。

The recipe says to preheat the pan over medium heat.

食谱上说要用中火预热平底锅。

高级例句

In industrial processes, it is essential to preheat the raw materials to optimize chemical reactions.

在工业流程中,预热原材料对于优化化学反应至关重要。

The laboratory protocol requires preheating the incubator to 37°C prior to cell culture experiments.

实验室规程要求在细胞培养实验前将培养箱预热到37摄氏度。

To ensure engine efficiency, modern vehicles automatically preheat the fuel system in low temperatures.

为确保发动机效率,现代车辆在低温下会自动预热燃油系统。

In construction, preheating steel components can prevent welding defects and improve structural integrity.

在建筑中,预热钢构件可以防止焊接缺陷并提高结构完整性。

高频搭配

verb

preheat the ovenpreheat the enginepreheat the grillpreheat the panpreheat the machine

adjective

fully preheatedproperly preheatedquickly preheatedgradually preheatedautomatically preheated

noun

oven preheatengine preheatpreheat functionpreheat timepreheat temperature

adverb

thoroughly preheatcarefully preheatslowly preheatrapidly preheatmanually preheat

preposition

preheat topreheat forpreheat beforepreheat duringpreheat after

phrase

preheat and bakepreheat the systempreheat the componentspreheat the materialpreheat the environment

常见错误

❌ 错误:I need to preheat the food.
✓ 正确:I need to preheat the oven for the food.

错误:预热对象通常是设备(如烤箱),而不是食物本身。正确用法应指定加热的设备。

❌ 错误:Preheat the oven on 200 degrees.
✓ 正确:Preheat the oven to 200 degrees.

错误:介词“on”不用于表示温度目标。正确应用“to”来指示预热到的具体温度。

近义词辨析

warm up

warm up 更通用,指使某物变暖,可用于设备、身体或气氛;preheat 特指在使用前将设备加热到特定温度,更精确正式。

Warm up the engine before driving in winter. (泛指使发动机变暖) vs. Preheat the oven to 350°F for baking. (特指预热烤箱到精确温度)

heat

heat 是广义加热,不强调预热或特定目的;preheat 强调预先加热以确保后续操作效果,常用于烹饪和工业。

Heat the water for tea. (一般加热) vs. Preheat the mold before pouring the metal. (预先加热模具以优化铸造)