artificial day人工日artificialadj.人造的；虚伪的；武断的Artificial Wood Wainscot人工木质贴面artificial silk knitwear人造丝针织品artificial leather apron人造革围裙artificial shift erosion人为侵蚀artificial ground target航测地面标志artificially frozen wall人工冻土墙artificial radio element人工放射元素,人工放射性元素artificial timber forest人工用材林artificial labor inducer人工引产器Artificial domestication人工驯化