单词：avalanche-in-duced migration
单词：avalanche-in-duced migration 相关文章
auxiliary anode 辅助阳极 auxiliary grid 辅助栅极 auxiliary jack 辅助塞孔 auxiliary memory 辅助存储器 auxiliary signal 辅助信号 auxiliary transmitter 备份发射机 available powe
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Almost magically, they form a temporary nest of their own bodies. The larvae and food are taken into the nursery at its centre. Tomorrow they will do the whole thing again, marching for two to three weeks to reach fresh hunting grounds, where they ca
自然百科2011年
By November, the blinding equatorial sun has turned their southern water holes into sucking mud, a trap for unwary youngsters and so they must move north toward permanent water. Their pace quickens with the male's need to reach their ancient battle g
自然百科2011年
But they can't migrate to greener pastures until the last of the youngsters has been winged. So mother has become stingy and edgy. Readying for the migration ahead, she tongues oily secretions over every bit of her flight equipment. A bat's wings are
自然百科2011年
What on earth could drive this headlong rush to slaughter? Only earth herself with her insistent clocks. This story begins in the Great Rift Valley, where the continent is tearing itself apart and being reborn. The plains in the shadow of the rift, t
自然百科2010年
By Lisa Schlein Geneva 05 May 2006 Migrants from India wait at their home, an old movie theater in the town of Zouerate, Mauritania, Wednesday, April 19, 2006 The International Organization for Migrat
2006年VOA标准英语（五月）