±¸Õ½2011¸ß¿¼¸÷µØÄ£ÄâÌâ·ÖÀà»ã±à£ºÔĶÁÍÆ¶Ï´ÊÒåÆª
´ÊÊý£º275 Ìå²Ã£º¿Æ¼¼ËµÃ÷ÎÄ ÄѶȣº4
Australian scientists are trying to give kangaroo-style stomachs to cattle and sheep in a bid
to cut the emission of greenhouse gases blamed for global warming.
´ÊÊý£º275 Ìå²Ã£º¿Æ¼¼ËµÃ÷ÎÄ ÄѶȣº4
Australian scientists are trying to give kangaroo-style stomachs to cattle and sheep in a bid
to cut the emission of greenhouse gases blamed for global warming.

ÈÕÓï
º«Óï
·¨Óï
µÂÓï
Î÷°àÑÀÓï
Òâ´óÀûÓï
°¢À²®Óï
ÆÏÌÑÑÀÓï
Ô½ÄÏÓï
¶íÓï
·ÒÀ¼Óï
Ì©Óï


