1. But hopes for finding other survivors were dimming. 但发现其他幸存者的希望正在减弱。
2. As the range dropped to four thousand, the option to surface was dimming. 等到测距降到四千码的时候，升上水面的机会就暗淡了。
3. A lamp lighting system allows dimming of a compact gas discharge lamp to a low light output level without perceptible flicker. 一种允许将紧凑型气体放电灯调至低光输出电平而无可察觉的闪烁的灯照明系统。
