抛物线$y=-2{\left(x-1\right)}^2+5$向左平移2个单位，再向下平移1个单位后得到的抛物线解析式是____.

某实验小组的同学在  探究“绿色植物进行光合作用”时，用银边天竺葵作为实验材料完成了如图1所示的实验步骤，请你根据以下实验步骤，回答下列问题：

    These days, people are crazy about watching the film Us and Them d____by Rene Liu, who is a famous singer. The film was f____released(上映) on 28th April, 2018. It tells the love story between a young man and a young girl. The film a____ people of all a____ and it is very s____.