| 单词 | 变阻 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔check〕A change of wind checked the fire.风向的转变阻止了火势的蔓延。21世纪英汉〔dimmer〕A rheostat or other device used to vary the intensity of an electric light.调光器：使电灯光减弱的一种变阻器或其它装置美国传统〔rheostat〕A continuously variable electrical resistor used to regulate current.变阻器：用以调节电流的连续可变电阻器美国传统〔slot car〕An electric toy racing car that fits into a slotted track and is controlled by a rheostat held by the operator.自动玩具车：一种电力玩具赛车，置于一条有槽的轨道上，由操纵者手执的变阻器来控制美国传统〔wiper〕Electricity A movable electrical contact, as in a rheostat.【电学】 接触电刷：变阻器等内部的活动电接触器美国传统A rheostat can be used to control the brightness of electric lights.变阻器可被用来控制电灯的亮度。剑桥国际 |
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