翻译（要快）：
Hi Mum ,can you hear me?
yes,I can. where are you?
I'm standing on the great wall of china and talking to you.
Really?
we're on a scool trip and we're heaving a good time.
that's great, Bettt.what are the others doing?
Well,tony is eating an icecream,Wang Huiistaking lots of pictures and lingling isbuying some presents and postcards. And Daming is eating lunch ang lying in the sun.
Can you seng ma a postcards,too?
Yes.Lingling andIare writing postcards.We're enjoying the schooltrip a lot. Anyway, we're going home now. Bye!
Bye-bye,Betty!
