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determiner + heater + verb
常见主语位置，heater后接动词描述其运行状态。
The heater works well.
这个加热器工作正常。
加热器
先理解核心含义，再看它在真实句子里的用法。
加热器
device that heats water or supplies warmth to a room
The heater works well.
这个加热器工作正常。
产生并辐射热量的装置,通常用于升高房间或建筑物的温度。
A device that produces and radiates heat, typically to raise the temperature of a room or building.
加热水或给房间供暖的设备
device that heats water or supplies warmth to a room
加热某物的人,例如在金属加工中
A person who heats something, for example in metalworking.
(棒球)以最大速度投出的球
(baseball) a pitch thrown with maximum velocity
The electric heater keeps the room warm during the winter.
电加热器在冬天让房间保持温暖。
We bought a small water heater for the bathroom.
我们为浴室买了一个小型热水器。
Please turn off the heater before you leave the office.
离开办公室前请关掉加热器。
常见主语位置，heater后接动词描述其运行状态。
The heater works well.
这个加热器工作正常。
动词如turn on/off, use, install等常与定冠词the连用。
She turned on the heater.
她打开了加热器。
形容词如electric, gas, portable等用于描述类型。
We bought a portable heater.
我们买了一个便携式加热器。
介词for说明用途或场合。
This is a heater for the garage.
这是一个用于车库的加热器。
Not this
I need to heater the water.
Use this
I need to heat the water.
heater 是名词，意为‘加热器’；作动词时应用 heat，表示‘加热’。汉语中‘加热’既是动词也是名词，但英语区分明确。
Not this
I bought heater yesterday.
Use this
I bought a heater yesterday.
heater 是可数名词，单数形式前需加不定冠词 a 或定冠词 the。汉语无冠词，易遗漏。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
电加热器
We use an electric heater to warm the room in winter.
冬天我们用电动加热器给房间取暖。
热水器
The water heater broke down, so we had no hot water.
热水器坏了，所以我们没有热水。
空间加热器
A small space heater can keep your office cozy.
一个小型空间加热器能让你的办公室舒适。
便携式加热器
They brought a portable heater when camping in the mountains.
他们在山上露营时带了一个便携式加热器。
打开加热器
It's getting cold; please turn on the heater.
天变冷了，请打开加热器。
投快速球
The pitcher threw a heater that struck out the batter.
投手投了一个快速球，三振了击球手。
他扔了一个火球！
The pitcher threw a heater that struck out the batter.
投手扔了一个火球，三振了打者。
一个真正的火球——正合我意。
In baseball, a 'heater' is another word for a fastball.
在棒球中，'heater'是快速球的另一个说法。
发长 /iː/ 音 (如 sea, tea)
Same pattern, same sound
Use heater naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象'heat'加'er'就是发热的机器。
中性语域，多用于日常生活（暖气设备）或工业场景。
The words eater, beater, cheater, and neater rhyme with heater (all have /iːtər/). Hitter and hater look similar but have different stressed vowels: /ɪ/ and /eɪ/ respectively.
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.
Watch the sound change