He studies the movements of Antarctic ice over thousands of years.

他研究了南极冰数千年来的运动。

As the sea steadily flows back, it lifts the huge blocks of ice over their heads.

当海水逐渐回流会托起千斤重的冰块。

The area contains a glacier that has been losing large amounts of ice over the past 20 years.

这片区域里的一个冰川在过去20年里流失了大量冰雪。

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。

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。

The ice over the lake had melted, and sunlight danced between the gentle waves.

湖面上的冰已经融化，阳光在柔和的波浪之间舞动。

Roads in North Texas and Arkansas starting icing over late last night and continued today.

北德克萨斯州和阿肯色州的道路昨晚开始结冰并持续到今天。

A sustainable ecosystem needs to be able to cope with fires, disease and icing over of parts of the ground in the winter.

需要建立一个能应对火灾、疾病以及冬季局部寒冷气候的可持续的生态系统。

And it turns out that you can't grow sea ice over oceans that don't have a halocline.

事实证明，你不能在没有盐跃层的海洋上生长海冰。

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。

Melting snow or rain will freeze when the temperature goes negative again, forming a crust of ice over the ground, locking the vegetation away from the browsing reindeer.

当温度再次变为负值时，融化的雪或雨就会结冰，在地面上形成冰壳，使植被远离正在觅食的驯鹿。

Defenders of the free-roaming horses say they play an important role in the ecosystem, breaking ice over water sources so they and other forest animals can drink in winter, and helping to trim down brush and grasses.

这些自由的马群的维护者认为，马儿在生态系统中发挥着重要作用，它们可以破坏水源上的冰层，让自己和森林里的其他动物在冬天都能喝到水，而且有助于修剪灌木丛和草地。