精选优质文档-倾情为你奉上1. A build-it-yourself solar still（蒸馏器）is one of the best ways to obtain drinking water in areas where the liquid is not readily available. 在水资源不易获得的地区，自制太阳能蒸馏器是获得饮用水的最佳途径之一。2. A fish that lives in mangrove swamps（红树林沼泽）across the Americas can live out of water for months at a time, similar to how animals adapted to land millions of years ago, a new study shows. 一项新的研究表明，一种生活在美洲红树林沼泽中的鱼，每次离开水能存活数月，就像数百万年前动物适应陆地生活一样。3. Almost every grandparent wants to be with his or her gr
