...the erosion of moral standards.道德沦丧More familiar landscapes have been sculpted by surface erosion.还有更多熟悉的地貌是因地表侵蚀形成的。Abrasion also abets wind erosion.磨损作用也助长了风的侵蚀.As their roots are strong and penetrating, they preven...
I bicycled on towards the sea.我继续骑着自行车朝海边走。Sad about the move, I bicycled the hill to Helen's.因为要搬走, 我很伤心,骑车下山来到海伦家.He bicycled to town at night to get me medicine.他夜里骑车进城给我买药....