A winter storm iced over large parts of the country on Tuesday, grounding hundreds of flights and making roads dangerous.

周二，一场冬季风暴致使该国大部分地区结冰，导致数百架航班停飞，道路变得危险。

Parts of the river were iced over.

【over】河的有些地方结冰了。

Lakes stayed iced over for the entire year in parts of Pennsylvania.

宾夕法尼亚州部分地区的湖泊全年都结冰。

A pressure probe on the outside of the plane had iced over.

飞机外部的压力探头结冰了。

Schools were closed when the roads iced over.

【ice】道路结冰，学校停课了。

Back in this country, about 50 vehicles piled into each other on a Chicago expressway, after a winter storm left the road iced over.

国内方面，芝加哥一高速路发生大约50辆车追尾事件，冬日风暴让路面结了冰。