- [英语听力] 初中英语牛津八年级下02(2)
初中英语牛津八年级下02(2)That's wonderful! Trees cool the air as well as clean it. Three trees can do the job of 15 air conditioners running almost all day. You certainly know a lot about tree...
初中英语牛津八年级下02(2)That's wonderful! Trees cool the air as well as clean it. Three trees can do the job of 15 air conditioners running almost all day. You certainly know a lot about tree...
