广播电视英语短句 第 245 课：温室效用-1

Today, we discuss the greenhouse effect. 今天，我们讨论温室效用。

Farmers and gardeners have long used the greenhouses to extend the growing season in cold weather. 长期以来，在寒冷的季节，农民和园丁都使用温室来延长作物的生长期。

Now hoop houses are gaining popularity. 今天，温室大棚正得到普及。

Hoop houses are sometimes called a temporary greenhouse or passive solar greenhouse. 温室大棚有时被称为临时温室，或者是被动的阳光温室。

A hoop house is basically a metal frame covered with plastic or other all-weather material. 一个温室大棚的基础是金属框架，用塑料或者其他全天候材料覆盖。