Then, squinting his eyes, he said: 'the light is dim. Read it to me.' and he promptly handed the sheet of paper to the gaoler.

然后，他眯这眼睛说：“光线太暗了，你读给我吧”接着他迅速的把那张纸递给了监狱长。

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The camera's AF sensors require some details in the image to determine the phase difference. It's harder for the camera to find focus when the light is dim or there is little subject detail.

相机的自动对焦感应点需要一些影像细节来确定相位差，光线不足或者物体细节不足都会导致聚焦困难。

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Dim the lighting – it is unpleasant to lie with a bright light shining in your eyes.

把灯光调暗–在刺眼的灯光下躺着不舒服。

《柯林斯英汉双解大词典》

The challenge is to collect the dim light so as to gauge how many traveling cells are present.

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For maximum runtime the switch is held down for ten seconds, activating the light in dim mode and producing a mild 1.3 lumens of light with an extreme runtime of 480 hours.

ENGADGET: Explosion-proof flashlight could be the first to outlive its owner

Carousing with prostitutes and cocaine, sticky-fingered bosses and trading-floor betrayal are also part of the picture, according to an unusually nasty, and revealing, legal battle that is shedding light on this dim corner of Wall Street.

FORBES: Magazine Article