Driving at night can be riskier due to poor visibility.

由于能见度差，夜间驾驶更冒险。

The pilot reported poor visibility during the landing.

飞行员报告着陆时能见度很差。

Continue measures of poor visibility.

继续雾航措施。

Blowing snow made for poor visibility in Delaware today.

今天在特拉华州，风暴致能见度降低。

More than 350 flights were grounded in Beijing on Tuesday due to poor visibility.

周二，由于能见度太差，北京市有超过350架航班不能起飞。

Weather stations in several cities on the North China Plain reported blowing sand and poor visibility in the hours it took the storm to pass.

华北平原多个城市的气象站报道沙尘经过的几个小时间风沙肆虐，可见度很低。

Researchers thought some freshwater species might rely on sound because of poor visibility. So they collected water boatmen from a stream and pond in France.

研究者认为由于淡水中能见度低，动物可能会更多的依靠声音。

Wang Wei, a member of the Beijing Olympic organizing committee, said the footage and computer images were used because of poor visibility on the night of the opening ceremony.

北京奥林匹克组委会成员王伟说脚印画面和电脑制作被使用是因为开幕式晚上较低的能见度。