英语翻译Let (S,R) be a poset.Show that (S,R^-1) is also a poset,

英语翻译Let (S,R) be a poset.Show that (S,R^-1) is also a poset, 把That is a dress.That ia a Karen's dress.That ia a Karen's r S.R.L S.A 1、it's raining heavily. Let's try to find a s____ from the r everyone is r .let's start Let's go home and take a r什么? 英语填空题~John:Ann,What's( 1 Ann:It's a ( 2 ).John:Is that( 3 )r jim's brother is a r ( ) .he r( ) every morning Let's organize a charity show,______? Well,that's just the deal.A higher price will be out of my r let`s all be a ( )1.A：Thanks a lot .B：______ A.That's all right B:That 's r