tread /tred/ vt. & vi.(trod /trɔd/, trodden /trɔdn/) 走，踏，踩：The snow had been trodden down by the horses.雪已被马给踏平了。He accidentally trod on her foot.他不小心踩了她的脚。Cattle had trodden a path to the pond.牛踩出了一条通向池塘的路。Every day he trod the same path through the woods.他每天沿同一条路走过森林。