回复：my try

来源: NewVoice 于 2011-10-06 13:16:02 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (402 bytes)
回答: my try 由 etcacct 于 2011-10-06 12:15:19

 

Very good!

the Earth magnetic field - the Earth's magnetic field

confirmed from animals - confirmed for animals or confirmed by studying animals

long time ago - a long time ago (it is better with "a")

所有跟帖： 

• 回复：回复：my try -etcacct- ♀ 给 etcacct 发送悄悄话 etcacct 的博客首页 (62 bytes) () 10/06/2011 postreply 15:59:39

请您先登陆，再发跟帖！