求翻译：由于鸡类体小灵活，习惯于20几个成群，四处游走，寻觅昆虫，植物种子，浆果，谷物等。且听觉灵敏，视力敏锐，具有神经质，食性广泛，借助吃进砂砾以磨碎食物。是什么意思？

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Because of the small class flexible, accustomed to 20 several swarms,, looking for insects and seeds to plant, Berry, cereals. And hearing impaired vision of a keen sensitivity with a wide range of trophic excitable, eating with gravel to grinding food.

Because chicken class body small nimble, is accustomed to more than 20 in groups, in all directions walks randomly, searches the insect, the plant seed, the berry, the grain and so on.Also the sense of hearing is keen, the vision is keen, has nervous, the feeding habits are widespread, with the aid

Because of the chicken body small flexibility, accustomed to some 20 groups, walking around, looking for insects, seeds and berries, grains, and so on. And hearing, vision, nervousness, feeding extensively, eat grit to grind food.

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