Surprisingly only two percent of the sunlight filters down to the forest floor. 只有百分之二的阳光能够照射到雨林的地表上
The six plumed bird of paradise displays in his special clearing, on the forest floor. 六羽极乐鸟正在它的森林地表的舞台上跳独特的舞步
the sea floor is carpeted with dense mussel beds. 布满了密密麻麻的贻贝
then the calcite is deposited on the floor of the cave 方解石就会在洞穴地面上沉积
often more than 60 metres from the floor. 通常高出地面60多米
The floor of Lake Malawi drops 700 metres into an abyss. 马拉维湖底是一个深达700多米的深渊
It formed as the floor of the Pacific Ocean 它的形成是由于太平洋板块
Less than 2 percent of the sunlight reaches the floor, 只有不到2%的阳光能够到达丛林地表