有过半种类为多食性，近半为寡食性或仅知一种寄主。
More than a half polyphagous, nearly a half Oligophagous or knowing only one host.
初孵幼虫具有多食性和一定的耐饥性、耐旱性、耐涝性、耐寒性。
The infancy larva had the characteristics of the polyphagy and some endurance with starvation, dry, waterlogging and cold.
该蝇系多食性害虫，对寄主作物有明显的选择性，对烟草有较强的适应性。
The pest is polyphagous, has obvious selectivity for hosts and good adaptability to tobacco.
北极熊是陆地上最大的肉食性动物，比西伯利亚虎都要大两倍多！
The polar bear is the largest terrestrial carnivore, being more than twice as big as the Siberian Tiger!
北极熊是陆地上最大的肉食性动物，比西伯利亚虎都要大两倍多！
The polar bear is the largest terrestrial carnivore, being more than twice as big as the Siberian Tiger.
科摩·多龙是目前存在的最大蜥蜴，它是一种令人恐惧的捕食性动物。
Komodo dragon is the largest living lizard and a fearsome predator.
科摩·多龙是目前存在的最大蜥蜴，它是一种令人恐惧的捕食性动物。
Komodo dragon is the largest living lizard and a fearsome predator.
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