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1·Home owners are being encouraged to insulate their homes to save energy.

当局鼓励房主给住房加隔热装置以节约能源。《牛津词典》

2·They also save energy.

它们还能节约能源。

3·Simon, we can save energy by riding shared bicycles.

西蒙，我们可以通过骑共享自行车来节约能源。

4·Tomorrow I'm taking the bus to school to save energy.

明天我将乘公共汽车去学校以节约能源。

5·We should save energy by turning off the lights when we leave a room.

当我们离开房间的时候，我们应该关灯以节约能源。

6·By having another hour of sunlight, you can save energy by not needing to turn the lights on.

多一小时的日照时间，你不需要开灯就可以节约能源。

7·The V shape allows Canada geese to save energy.

V 字形可以让加拿大鹅节省能量。

8·To save energy, we should do everything we could to save electricity from now on.

为了节省能源，我们从现在开始就要尽可能地省电。

9·Animals which save energy by hibernation or lethargy (e. g. bats or hedgehogs) live much longer than those which are always active

通过冬眠或昏睡来节省能量的动物（例如蝙蝠或刺猬）比那些一直很活跃的动物活得更久。

10·The Ouchidas are victims of indoor air pollution, which is not given sufficient attention partly because of the nation's drive to save energy.

Ouchidas 是室内空气污染的受害者，室内空气污染之所以没有得到足够重视，部分原因是整个国家都在拼命地节省能源。