求翻译：今天是星期天 我去参观动物园 看见了许多小朋友 他们在干什么呢 哦!他们有的在看大象 有的在散步 有的在玩耍 还有的在和熊猫打招呼 还有的在和别人谈话 今天真的很开心 用过去式是什么意思？

Today is Sunday I went to visit the zoo and saw many children they are doing it, oh! Some of them see the elephants and some walk and some play in there and Panda hello there and the others really talk today happy with past

Today is Sunday I went to visit the Zoo saw many children they were doing, oh! Some of them are looking at an elephant walking in the play and there's also greeted the panda and the others in the conversation that was a good feeling today with the past,

Today was I visits the zoo to see many children on Sunday they to do any oh! Some of them were looking the elephant has is taking a walk has is playing also some in to greet with the panda also some really very happy uses the past tense today in and others conversation

Today is Sunday I saw many children go to visit the Zoo they are doing it Oh! some of them watching elephants or go for a walk or play and also the Panda greeting today to talk with other people also really happy with past tense

正在翻译，请等待...