A rooftop garden is designed to provide stormwater control and help keep the building cool in the sun 一个屋顶花园的设计是用来提供暴风雨雨水的控制和帮助大楼在太阳下保持凉爽。
But because athletes competing at the 2004 olympics have no choice but to stay in the weather , many plan to science to stay cool 但是参加2004年奥运会的运动员们却别无选择，他们不得不忍受酷热的天气，因此很多人计划借助科学手段来保持凉爽。
But because athletes competing at the 2004 olympics have no choice but to stay in the sweltering weather , many plan to turn to science to stay cool 但是参加2004年奥运会的运动员们却别无选择，他们不得不忍受酷热的天气，因此很多人计划借助科学手段来保持凉爽。
Wool fabrics that are suitable for clothing to be worn in warm conditions are usually very thin with resistance against heat and moisture loss being small which keeps the wearer a feeling of cool and comfortable 摘要适合在温暖环境中穿着的精纺羊毛织物通常十分轻薄，因而阻碍散热和散湿的作用很小，能使人体保持凉爽和舒适。
There are also two competingexplanations : that small bodies keep cool more readily than large ones ( pygmyism tends to be a tropical phenomenon ) or that pygmies live in placeswith unreliable food supplies , and their size means they can make do withsmaller meals 还有另两种与之竞争的解释：矮小的身材比高大的更容易保持凉爽（侏儒现象倾向于出现在热带）或者侏儒居住的地方食物供应不可靠，长得小意味着能够靠更少的食物勉强度日。
