After a rainstorm the saguaro's long shallow root system sucks up the water 暴风雨过后 弁庆柱 用又长又浅的根系吸收水分
Grains, swept up the flanks, are blown off the crests of the ridges 斜坡上吹起的沙粒 在沙丘顶部的边棱处飞扬
but the dust can be blown 5,000 metres up into the sky. 但是尘埃却能被吹上5000多米高的天空
when the little there is is locked up as ice. 那里仅有的一点水也结成了冰
Hydrogen sulphide gas bubbles up from oil deposits in the earth's crust. 硫化氢气体从地壳内的油气储层中溢出
Receptors in the snake's head pick up the heat given off by the flying bats, 位于头部的“热眼”能觉察到 飞行中的蝙蝠散发出的热量
These extraordinary forests spring up throughout the tropics in these tidal zones where rivers meet the sea. 这些特殊的树林遍及整个热带地区的潮间带 那里正是河流的入海口