Lowered sea levels exposed the shallow continental shelf beneath the Bering Sea.海平面下降使白令海底部的浅层大陆架暴露出来。It was travelling north on its annual migration to the rookeries of Bering Sea.现在正当一年一度向北迁徒到白令海的老窝去的季节.The storms that...
在佛罗里达州，农民正摆好架势，准备和城市争夺地下水的使用权。In Florida, farmers are squaring off against cities for rights to groundwater.用水量的增加导致了地下水贮备迅速枯竭.Increased consumption of water has led to rapid depletion of groundwater reserves.该理论认为,来自凝灰岩...
The number of women who become pregnant after adopting children is legion.领养小孩后怀孕的妇女比比皆是。"Very well," I said, adopting a crisp authoritative tone.“很好，”我用干脆的命令性的语气说道。We all agree in adopting the new teaching method.我们一致同意...