About one year from now, NASA expects to see it making tracks on Mars.

美国国家宇航局希望在大约一年之后看到它跟踪拍摄火星的情况。

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The recent tracks of the fox or otter, in the yard, remind us that each hour of the night is crowded with events, and the 28 primeval nature is still working and making tracks in the snow.

院子里雪地上，狐狸和水獭所留下的足迹犹新，这使我们想起：即使在冬夜最静寂的时候，自然界生物没有一个钟头不在活动，它们还在雪上留下痕迹。

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He had attempted to cover his tracks by making her death appear like suicide.

他使她的死亡看起来像是自杀，企图以此掩盖自己的罪行。

《牛津词典》

The argument about how easy it is for Mr Hussein to cover his weapons-making tracks is part of a broader difference between American policy and that of every other country, including even Britain, the most loyal and vocal supporter of its diplomatic campaign.

ECONOMIST: Coalition-building | The

Three new lines will begin whisking passengers to and fro before the Games start in August and, by 2020, the route map will comprise 19 lines and 561 kilometers of tracks, making the network one of the world's largest.

CNN: Beijing commuters feel the squeeze

Finally, Google has brought its Google Play scan and match feature to the US. The service looks at your local collection of music and identifies those tracks automatically, making them instantly available for access through Google's systems.

ENGADGET: Editor's Letter: Looking back