a device used to control things such as the speed of a clock, the temperature in a room, etc.调节器;校准器;调整器
an official who makes certain that the companies who operate a system, such as the national electricity supply, work effectively and fairly管理者;调控者;监管者
👨🏻🏫 Mr. Ng 劍橋詞典 📚 – cambridge.mister5️⃣.net
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