A device that keeps something at the temperature you chose. You set the number you want, and the thermostat watches the real temperature and switches the heating or cooling on and off by itself to hold it there.

A device一種裝置 that keeps something at the temperature you chose能把某個東西維持在你設定的溫度。You set the number you want你設定你想要的數字，and而 the thermostat watches the real temperaturethermostat就會監控實際的溫度 and switches the heating or cooling on and off by itself自動把暖氣或冷氣開開關關 to hold it there讓溫度維持在那裡。

Your air conditioner has one, your fridge has one, your electric kettle and water heater have one, and in cold countries there is one on the wall that controls the whole house's heating. Many car engines have one too, controlling how the cooling water flows.

Your air conditioner has one你的冷氣有一個，your fridge has one你的冰箱有一個，your electric kettle and water heater have one你的電熱水壺和熱水器也有一個，and而 in cold countries在寒冷的國家 there is one on the wall牆上會有一個 that controls the whole house's heating控制整棟房子暖氣的thermostat。Many car engines很多汽車引擎 have one too也有一個，controlling how the cooling water flows控制冷卻水怎麼流動。

In everyday talk the word usually means that dial or panel you touch: 'turn the thermostat down', 'set the thermostat to 26 degrees'. The name says exactly what it does — it makes heat stand still.

In everyday talk在日常說法裡，the word這個字 usually means通常指的是 that dial or panel you touch你會去碰的那個旋鈕或面板：'turn the thermostat down'「turn the thermostat down（把thermostat調低）」, 'set the thermostat to 26 degrees'「set the thermostat to 26 degrees（把thermostat設定成26度）」。The name這個名字 says exactly what it does準確地說出它在做什麼——it它 makes heat stand still讓熱「站住不動」。

English speakers sometimes use it for a person: 'she's the thermostat of the office' means she is the one who keeps everyone's mood steady. That use is informal and not very common.

English speakers英語使用者 sometimes use it for a person有時候會用它來形容一個人：'she's the thermostat of the office'「she's the thermostat of the office（她是辦公室的thermostat）」 means意思是 she is the one她是那個人 who keeps everyone's mood steady讓大家情緒都保持穩定的。That use這種用法 is informal and not very common比較口語，也不太常見。