dimmer

英 [ˈdɪmə]

美 [ˈdɪmər]

n.  (电灯的)调光器，减光器，亮度调节开关
adj.  暗淡的; 昏暗的; 微弱的; 不明亮的; 光线暗淡的; 不分明的; 不清楚的; 朦胧的; 隐约的
dim的比较级

复数：dimmers　

化学

BNC.35305 / COCA.26848

柯林斯词典

• (电灯的)调光器，减光器,亮度调节开关
  Adimmeror adimmer switchis a switch that allows you to gradually change the brightness of an electric light.

英英释义

noun

• a rheostat that varies the current through an electric light in order to control the level of illumination

双语例句

• Symbol for a dimmer switch. Place against a wall and rotate into place.
  调光器开关符号。靠墙壁放置并旋转到位。
• You can control the brightness by using a dimmer.
  你可以用控制亮度较为黯淡。
• The effect of light pollution is to reduce the contrast, and therefore the visibility of dimmer objects in the night sky, which affects professional, as well as amateur astronomers.
  由于光污染导致明暗对比降低，夜空中较暗物体的能见度因此而下降，这给专业及业余天文学者都造成了影响。
• Those spectra nearer the periphery of the objective are dimmer than those to the central spot.
  靠近边缘的光谱状亮点的亮度要小于靠近中心的亮点。
• But investors and analysts have taken a much dimmer view of their first-half results in recent weeks.
  但是投资者和分析师近几周对各银行上半年业绩的看法却要黯淡得多。
• Dimmer switches allow you to lower lighting levels, which can save up to40% of normal lighting costs.
  调光开关可以让你降低照明强度，从而节省正常强度情况下照明成本的40%。
• Dimmer switches also extend the life of your bulbs.
  调光开关还能延长灯泡的使用寿命。
• As dusk fell, the room got dimmer.
  天麻麻黑了，屋里逐渐模糊起来。
• Buy a dimmer switch and keep the light on low, or switch it off altogether
  买一个调光开关，把灯光调暗，或者干脆把灯关掉。
• The economic outlook for the second half of the year is dimmer than in the first half.
  下半年经济展望比上半年更不看好。