The Martian arctic could freeze the robot.

火星北极能会冻住机器人。

We could have completely ice-free Arctic summers by 2030.

到 2030 ，北极的夏天能完全不结冰。

The first is in protecting the arctic's permafrost.

首先是保护北极的永久冻土。

Narwhals migrate seasonally and travel in pods through arctic waters.

独角鲸会季节性迁徙，并成群结队地在北极游弋。

Meanwhile, an arctic cold front is heading for New England.

与此同时，一股北极冷锋正在向新英格兰移动。

There is this crazy arctic wind storm happening today.

今天，北极风暴正在肆虐。

Another arctic blast is about to turn the Midwestern US into an icebox.

美国西部地区即将遭受另一股极地寒流的侵袭，气温将大幅下降。

We can go to the desert or to the arctic or even into space.

我们沙漠，北极，甚至太空生产粮食。

Including the white-yellow bloom of mountain avens, a hardy arctic shrub.

包括耐寒的北极灌木杨梅盛开出黄白色的花朵。

Weather here can shift from tropical to arctic in just hours.

天气在数小时之内由酷热变为极寒。

Describe two adaptations that the arctic butterfly has developed for cold climates.

描述北极蝴蝶针对寒冷气候形成的两种适应。

" The arctic changes could also be connected to extreme cold weather."

“北极气候变化能还与极端寒冷天气有关。”

Walruses are really well adapted to live here, around the edge of the arctic ocean.

海象非常适应在这里生活，在北冰洋的边缘。

The arctic relatively is a much warmer place than it used to be.

“相对而言，北极比前温暖了很多。”

The passenger...a robot geologist headed for the Martian arctic.

乘客是——一位前往火星北极的地质勘探机器人。

People in Siberia and the high arctic are uniquely adapted to survive extreme cold.

比如西伯利亚人和北极人在极端寒冷生活。

They can live in different environments, from the frozen arctic to the boiling desert.

它们生活在不同的环境，如冰冷的北极、炽热的沙漠。

How did they push an entire pack of arctic dinosaurs into a flash flood?

它们是如何将整群北极恐龙赶进激流的呢？

Brutally cold arctic air is spreading a dangerous deep freeze over half the country.

严酷寒冷的北极空气蔓延至半个国家。

Scientists are predicting right now, we could have completely ice-free Arctic summers by 2030.

科学家现在预测，到 2030 ，北极夏季能完全不结冰。