From there a narrow passage led back into the dark.

底部有一条狭窄的、乌黑的通道。

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Only hundred meters in from the outside along a narrow, dripping walkway, there is a giant chamber of ancient stalactites and stalagmites.

沿着从外面穿进来的一条滴着水的通道走，仅走数百米后就到了一个巨大而古老的钟乳石岩洞。

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Thanks to the narrow detection area of the double sensor, there is no danger of a pinch point causing harm to the operator or allowing clogging from ice or dirt.

双传感器的检测区域足够狭窄，因而不会产生挤压点导致操作人员受伤，或冰块、灰尘形成的堵塞。

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With the job all but done, Barca played keep-ball from then on, though there was time for Shakhtar's Adriano to hit the post with a shot from a narrow angle.

BBC: Barcelona 5-1 Shakhtar Donetsk

From there, the committee of judges narrow down the field to a Sustainable Sixteen and send a notice to those advancing schools, asking them to submit essays, videos and pictures to evidence the relevant requirements to become the champion.

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