n.自动调温器，温度调节装置

英文释义

n. A self-acting apparatus for regulating temperature by the unequal expansion of different metals, liquids, or gases by heat, as in opening or closing the damper of a stove, or the like, as the heat becomes greater or less than is desired.

词干

thermostat 恒温器
→ therm-，热，热的，-stat，平衡，稳定，词源同 stand.