let's back up a moment and review …… 这个“back up a

let's back up a moment and review …… 这个“back up a Let's make up. Let's make up 英语翻译A:Let's back up.Where was I B:You were talking about your trip to South Africa.什么场景的对话? let one's back hair Let's pick up a book and read let's cheer up together Let's run up and Let's wind it up. Let's hide back and Let's eat hot and It's dark.We can't get back.Let's find a (h )to live in. it's time to get up.let's( it's time to get up.let's( )A.wake him up B.wake up him C.waking up him D.waking him up谁会、告诉偶下、 Let's give it to back Lily. Let's go back to god let's give whatever it is up there a nice ,big,.Lucy's room welcome.翻译 Let's hope the sunny weather for Saturday's tennis match.Let’s hope the sunny weather for Saturday’s tennis match. A.keeps up B. picks up C. closes up D. clears up为什么选A 谢谢大家 It’s time to get up.Let’s——- A.to walk B.walk up her C.walking up her D.walking her up 英语翻译Before we get into that,though,it’s probably a good thing to back up a bit.求整句翻译,顺便问一下,back up a bit