硝酸盐由土壤渗入江河。Nitrates leach from the soil into rivers.江河湖泽给我们以舟楫和灌溉之利.Rivers and lakes provide us with water transport and irrigation.江河流入海中.Rivers flow into the sea....
是迥然不同的观点之间的碰撞改变了人们的看法。It's the collision of disparate ideas that alters one's perspective.有一颗小行星可能会与地球发生碰撞。There is an asteroid on a collision course with the Earth.我感觉到一点儿轻微的碰撞，便立刻意识到发生了什么。I felt a little bump...