Rising in the Peruvian Andes, its main trunk flows eastwards across Brazil. 它发源于秘鲁安第斯山区 其干流穿越整个巴西
Moisture rising as water vapour from the surface of the sea 水蒸发成水蒸气从海面升起
isolated mountain plateaus rising high above the jungle. 一个孤立于丛林之上的的山地高原
they use thermals, rising columns of warm air, to gain height. 可它们会利用热空气 ——呈圆柱形上升的热气流来获取高度
Mount Everest, five and a half miles above sea level and still rising - the roof of our world. 海拔5.5英里的世界屋脊 ——珠穆朗玛峰仍在不断升高
thrusting up these immense peaks, which are still rising. 挤压形成的这些巨大山峰 至今仍在不断升高
Molten lava rising from the earth's core 熔岩从地核中漫涌上来