如题所述
第1个回答 2014-10-09
A large amount of birds are moving to the south.
第2个回答 2014-10-10
Large quantity of birds are heading towards south.
第3个回答 2014-10-13
A large flock of birds are migrating to the south.
第4个回答 2014-10-10
A lot of birds migrate south
