Turbulent waters tore into the hardened salt flats, broke them up, and ground them into the pebbles observed in the first sample taken by the Challenger.
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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Every mating season, he says, the turtles leave their home and breeding ground in the salt marshes near JFK and take to the nearby sandy, open areas to lay their eggs and bury them in the ground.