Life on Earth will become unsustainable unless population growth is held in check.人口增长要是不加控制的话，地球上的生命将无法持续发展。The story in Estonia and Lithuania is similar — and looks equally unsustainable.爱沙尼亚和立陶宛情形也与之相似,都不能持续下去.No one ...
Umbrellas shade outdoor cafes along winding cobblestone streets.在曲折蜿蜒的鹅卵石街道的两边，一把把阳伞为露天咖啡馆遮阴挡阳。Soapy took a cobblestone and dashed it through the glass.索比捡起一块鹅卵石,向玻璃窗砸去.The sonar reveals acres of cobblestone fields surro...