回複：my try

來源: NewVoice 於 2011-10-06 13:16:02 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (402 bytes)
回答: my try 由 etcacct 於 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")

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