The device channels bright light direct to the brain via the ear canal to prevent and cure depression, mood swings and even circadian-rhythm disorders such as jetlag.

这一仪器将亮光通过耳道直射入大脑，从而预防和治疗抑郁、情绪波动以及飞机时差反应等昼夜节律失调的症状。

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The device channels bright light direct to the brain via the ear canal to prevent and cure depression, mood swings and even circadian-rhythm disorders such as jetlag .

这一仪器将亮光通过耳道直射入大脑，从而预防和治疗抑郁、情绪波动以及飞机时差反应等昼夜节律失调的症状。

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'These two clinical trials demonstrate that channeling bright light via ear canal into brain's photosensitive areas effectively prevents and treats seasonal affective disorder.'

这两个临床试验证明，将亮光通过耳道照进人脑的感光区域可以有效地预防和治疗季节性情绪失调。

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Most of the city's rental agencies offer regular guided tours, from the traditional (canal houses, Red Light District, Royal Palace) to the more outlandish.

BBC: Amsterdam on wheels

The Marines were just over a mile from the main canal that surrounds Marjah, and they continued to get very light resistance from outlying Taliban fighters.

WSJ: Ahead of Marjah Offensive, Afghan Officials Sought to Negotiate With Taliban