单词	optical surface
释义	optical surface 光学表面
随便看	buying climax buying commission buying committee buying committees buying contract buying contract slip buying cost buying criteria buying cycle buying decision buying disposition buying distribution buying drive buying error buying exchange buying expences buying expense buying expenses buying food buying for both spot and forward delivery buying for business use buying for current needs buying for resale buying for ultimate consumption buying forward 白了人头白了少年头白云一片去悠悠白云休赠白云何事欲相留白云依静渚白云初晴白云千载空悠悠白云回望合白云堪卧君早归 monthly monument mood mood maker moodmaker mood music moody mook moonstone mop