Elephants, rhinos, and hippos don't have fur. They all live in hot places, where the trick is to keep cool.
大象、犀牛和河马都没有毛皮。他们都住在炎热的地方,在那里生活的诀窍就是保持凉爽。
The net result is a continuous flow of gas, starting as hot gases in intergalactic space and ending as a drizzle of cool gas called a "cooling flow," falling into the central galaxy.
最终的结果是一股持续的气体流,开始是星系间的热气体,结束时是一股被称为“冷却流”的少量冷气体,落入星系中央。
One of the best ways to cool off on a hot summer day is to jump into a swimming pool.
在炎热的夏天,最好的降温方法之一是跳进游泳池。
应用推荐