The Oort cloud is a vast belt of dust and ice that is believed to lie around one light year from the Sun and is the origin of many of the comets that pass through our solar system.
奥尔特云是一个由粉尘和冰组成的庞大云带，据信它距离太阳约一光年，许多穿越我们太阳系的彗星都来自那里。
In 2009, a study of satellite measurements of Pine Island Glacier, which is one of the largest in Antarctica, revealed the surface of the ice was falling at a rate of up to 16m a year.
2009年，对松岛冰川进行了一次卫星测量研究，这是在南极洲最大卫星测量之一，显示冰面正以每年16米的速度下降。
One of the world’s largest natural, ice-free harbors, it is where the manufactured goods from Asia arrive throughout the year.
作为世界上最大的天然不冻港之一，温哥华全年拥有从亚洲来的制成品。
The Harbin International ice and snow Festival, hosted for the 26th consecutive year, is one of the most popular local celebrations in China and one of the world's largest ice and snow spectacles.
哈尔滨国际冰雪节连续举办了26届，是中国省级最受欢迎庆祝活动，同时也是世界上最大的冰雪展之一。
In just one year, the Arctic Ocean has lost an area of year-round ice cover the size of Texas.
一年之内，北冰洋就将失去面积相当于德克萨斯州的冰川。
Every March since, the ice has returned to an annual maximum, but never again has it been as large as the one observed that first year.
之后每逢三月，冰层便会恢复至年度最高值，但从未达到1979年所观察的规模那样巨大。
Thee Oort cloud is a vast belt of dust and ice that is believed to lie around one light year from the Sun and is the origin of many of the comets that pass through our solar system.
奥尔特云是一个由粉尘和冰组成的庞大云带，据信它距离太阳约一光年，许多穿越我们太阳系的彗星都来自那里。
Continuing the theme of space breakthroughs, one of the biggest discoveries of the year was the ice buried beneath the surface of Mars.
继续太空突破的主题，火星表层下发现了冰也是今年最大的突破之一。
Continuing the theme of space breakthroughs, one of the biggest discoveries of the year was the ice buried beneath the surface of Mars.
继续太空突破的主题，火星表层下发现了冰也是今年最大的突破之一。
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