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
面积: [数学] area 短语和例子建筑面积 built-up area; 居住面积 dwelling area; floor space; 大面积丰收 bumper harvest over an extensive area; 茶叶种植面积 the acreage under tea trees