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
the water absorbed carbon dioxide from the soil 水从土壤中吸收了二氧化碳
Limestone is composed of minerals derived from marine shells and corals, 石灰岩由海螺和 珊瑚中的矿物沉积后形成
the glow worm hangs from a mucus hammock 萤火虫便用粘液将自己悬吊起来
The silk comes from glands in the glow worm's mouth 丝产生自萤火虫口中的腺体
A silicon strand is lowered from the ceiling, 一根坚韧的丝从天顶上垂下