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。

youdao

On the dinner, Mr. Liu told the origin of ice wine in lively and vivid words, and the applause of guests waved.

在品酒会上，刘总以生动、活泼的语言向来宾讲解了冰酒起源的故事，引得阵阵掌声。

youdao

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。

youdao

The Norwegians send teams out on to the floating ice to drill holes into it and extract cores to determine the ice's origin.

BBC: Arctic ice melting at 'amazing' speed, scientists find

These data will provide invaluable information about Antarctic atmospheric dynamics, of the origin of water vapour over the oceans and how it is ultimately deposited as snow on the surface of the ice sheet.

BBC: Viewpoint: The last great polar challenge