矿井运输巷道的潮湿和煤尘造成运输条件恶劣，巷道分支多和照明光线弱造成行车视线距离短。

Moisture, coal dust, multiple roadway branches and others in a mine transportation roadway would cause series transportation conditions.

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其实，若是在自然光下、于水中一段距离外，这种图案和色彩有助于扭曲鱼的轮廓，让它在潜在掠食者的视线中消失。

The pattern and colors actually help distort the fish's outline when seen in natural light at a distance through water, helping the animal disappear from the view of potential predators.

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眼睛大而圆，不外突，两眼间距离恰当，视线笔直向前。

Eyes - Large, round, not prominent, placed well apart, looking straight ahead.

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