覆盖: 1.(遮盖) cover; overlap 短语和例子青松覆盖的山峦 hills covered with pinetrees; 地上覆盖着厚厚的积雪。 the ground was covered over with thick snow. 秧苗上面覆盖着塑料薄膜。 the rice seedlings were covered with plastic sheeting
迹: 名词1.(留下的印子; 痕迹) mark; trace 短语和例子血迹 bloodstain; 足迹 footmark; footprint; 蛛丝马迹 the gossamer threads of a spider and the trail of a horse; spider's web and horse's footprint2.(前人遗留的建筑或器物等) re
