Though about 75% of the earth is covered with water, only 3% of it is fresh water.

虽然地球75%都被水覆盖，但其中只有3%是淡水。

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When choosing to purchase fresh seafood be sure and check it out thoroughly to make sure it is fresh.

当我们决定去购买海鲜的时候，一定要彻底的去检查海鲜的品质，以保证我们能够买到新鲜的海鲜。

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As September has the clear sky and fresh air, it is a very good time to climb the mountain.

由于九月有晴朗的天空和新鲜的空气，这是一个很好的爬山时间。

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It is likely that the history of our own country may offer fresh examples to teach this truth to future ages."

VOA: special.2009.04.16

Another good thing to do when you're really stuck is walk away. Take a break. Come back and look at it with fresh eyes of your own.

当你卡住的时候另外一件有益的事,就是走开休息一会儿,再回来看代码的时候你的眼睛就清醒多了。

麻省理工公开课 - 计算机科学及编程导论课程节选

And it's always crowded, so the food is always really fresh.

而且那的人总是爆满，所以食物总是新鲜的。

第一次与妻子见面 - SpeakingMax英语口语达人

It is fresh and familiar at the same time.

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It is fresh in the mind of the home buyer that some communities such as Las Vegas, Atlanta, Phoenix and much of Florida saw prices drop more than in half.

FORBES: Home Prices Poised To Move Higher As Fear of Losses Has Dissipated

It is famous for kreef (crayfish), which you can buy from local fishermen for R30 - check it is fresh - or taste at the new festival devoted to the delicacy, which first took place last November.

BBC: South Africa's Western Cape: The secret coast