Plants Put the Bend in Rivers Studies in the journals Geology and Earth-Science Reviews reveal that ancient rivers were broad straight sheets of water. Colonization by plants changed the water flow. Adam Hinterthuer reports What was around the bend i...
bend,v 使弯曲＝crook 【例】The road bends here 路在这里转弯。 【类】bend:rigid＝submerge:buoyant＝dissolve:insoluble刚性的不会弯曲＝有浮力的不会沉没＝不能溶解的不会溶解...
