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set the thermostat to [温度]
set...to后接具体温度数值，表示设定恒温器的目标温度。
I set the thermostat to 20 degrees before going to bed.
睡觉前我把恒温器调到20度。
恒温器；温度自动调节器
先理解核心含义，再看它在真实句子里的用法。
恒温器；温度自动调节器
A device that automatically keeps a room or system at a set temperature by controlling heating or cooling.
I set the thermostat to 20 degrees before going to bed.
睡觉前我把恒温器调到20度。
一种通过启动加热或冷却系统自动响应温度变化,以将温度维持在设定值的设备。
A device that automatically responds to changes in temperature by activating a heating or cooling system to maintain the temperature at a desired setting.
通过启停热源自动调节温度的装置
a regulator for automatically regulating temperature by starting or stopping the supply of heat
一种通过吸收或释放热量来维持模拟系统在设定温度的算法。
An algorithm used to maintain a simulated system at a set temperature by absorbing or releasing heat
I set the thermostat to 21 degrees before going to bed.
睡觉前我把恒温器调到21度。
The thermostat detected the drop in temperature and turned on the heater.
恒温器检测到温度下降，便打开了加热器。
If the room feels too cold, check whether the thermostat is working properly.
如果房间感觉太冷，请检查恒温器是否正常工作。
set...to后接具体温度数值，表示设定恒温器的目标温度。
I set the thermostat to 20 degrees before going to bed.
睡觉前我把恒温器调到20度。
turn down/up是常用的动词短语，分别表示调低和调高温度。
Turn down the thermostat if the room feels too warm.
如果房间感觉太暖，就把恒温器调低。
keep...at表示使温度保持在某个固定值。
We keep the thermostat at 22 degrees Celsius in winter.
冬天我们把恒温器保持在22摄氏度。
Not this
Thermostat controls the temperature.
Use this
The thermostat controls the temperature.
Thermostat 是单数可数名词，不能单独使用，前面需要冠词或其他限定词。这里特指某个恒温器，所以加定冠词 the。
Not this
I set the thermometer to 25 degrees.
Use this
I set the thermostat to 25 degrees.
Thermometer 是温度计，用来测量温度；thermostat 是恒温器，用来设定并调节温度。你调整的应是恒温器，不是温度计。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
调节恒温器
I adjusted the thermostat to make the room warmer.
我调节了恒温器，让房间更暖和。
设定恒温器
Don't forget to set the thermostat before you leave.
离开前别忘了设定恒温器。
调高恒温器温度
He turned up the thermostat because he felt cold.
他觉得冷，就把恒温器温度调高了。
调低恒温器温度
Please turn down the thermostat to save energy.
为了省电，请把恒温器温度调低。
智能恒温器
A smart thermostat can learn your daily routine.
智能恒温器能学习你的日常作息。
恒温器设定
The default thermostat setting is 20 degrees Celsius.
恒温器的默认设定是20摄氏度。
做恒温器，不要做温度计。
A popular quote about leadership and personal initiative. A thermostat actively sets the temperature in a room, while a thermometer only reflects it, so the saying encourages people to shape their environment rather than passively respond to it.
这是一句关于领导力和个人主动性的名言。恒温器主动设定房间的温度，而温度计只是反映温度，因此这句话鼓励人们去塑造环境，而不是被动地回应环境。
Use thermostat naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想‘热’（thermo）和‘停’（stat）：温度一到设定值就自动停下，这就是恒温器。
语域：neutral 常见场景：家庭取暖/空调系统、智能家居设置、设备维修说明、技术文档 该词在日常交流和技术资料中都比较常见，通常作中性词使用；在正式说明书或技术资料里略显正式，但无需特殊语域标记。
The final chunk -stat sounds like /stæt/, as in stat and hemostat, matching thermostat's final syllable. Be careful with lookalikes: state is /steɪt/, status is /ˈstætəs/ (or UK /ˈsteɪtəs/), and thermos and thermometer only share the opening thermo- spelling, not the /stæt/ ending.
Dictionary facts from ECDICT, WIKTIONARY.