Seas are salty. and rivers are light; fish swarm in water and birds in the air flight.

海水是咸的，河水是淡的，鱼儿在水中潜游，鸟儿在空中飞翔。

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Ground crickets often swarm in search of new sources of food including protein and salt.

这种蟋蟀常常会聚集起来寻找新的含有蛋白质和盐分的食物源。

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Drivers swarm in or out of the lanes and make it difficult to me to feel safe when I cross the road.

司机涌进车道涌出车道，使我在过马路时很难觉得安全。

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But tourists are not encouraged to go deep into Aba, where police swarm in remote towns and keep restive monasteries under guard.

ECONOMIST: China��s restive Tibetan regions

Blizzard VFX creator Jeff Chamberlain explores the advances in technology that bring breathtaking cinematics to life in Heart of the Swarm in the video below.

FORBES: Move up http://i.forbesimg.com t Move down

Dime-size flies had moved in, a swarm of them in the heat, and a few of the neighboring stray dogs sat in the shade on the perimeter, waiting to clean up.

NEWYORKER: Swimming