下载后可任意编辑英语主题简短演讲稿英语主题简短演讲稿1Goodmorning/afternoon,ladiesandgentlemen.Considerthelowlytoilet.Manyofyoumaynotthinkofthetoiletasaformoftechnologyifyouthinkoftoiletsatall.But,itisandhascontributedgreatlytotheimprovedhealthandoverallqualityoflifeformanki...

时间:2024-11-16 12:53栏目:行业资料