例句：
1、The greenhouse effect is well and truly with us.
我们完全处于温室效应中。
2、Best results are obtained by starting the plants off in a warm greenhouse.
要想取得最理想的结果，一开始就应该让植株在温暖的温室里生长。
3、Measure the floor area of the greenhouse and divide it by six.
量一下温室的建筑面积再将它除以6。
4、Methane is often regarded as the second most important greenhouse gas after carbon dioxide.
甲烷常被认为是仅次于二氧化碳的重要温室气体。
5、The specific impact of the greenhouse effect is unknowable.
温室效应的具体影响无法知道。