to hunt for insects in the forest outside. 在森林外围捕食昆虫
They're totally dependant on the digested remains of food that's brought here from outside. 它们完全依赖的食物消化残渣 都是来自于外界
where they're well protected from the outside elements 它们在此完全不受外界因素的干扰
and take their first steps in the outside world. 第一次踏足这个陌生的户外世界