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1·It is important to conserve energy.

节能十分重要。《牛津词典》

2·People should insulate their homes to conserve energy.

人们应该使住房隔冷以保存能量。《柯林斯英汉双解大词典》

3·The factories have closed for the weekend to conserve energy.

这些工厂在那个周末关了厂以节省能源。《柯林斯英汉双解大词典》

4·It's important to conserve energy.

保护能源是非常重要的。

5·Check key area and conserve energy.

检查重点部位，节约能源。

6·Conserve energy by using efficient light bulbs.

使用节能灯泡节省能源。

7·In winter, some people conserve energy by lowing the heat at night.

冬天，为节约能源有些人在夜里把热气调小。

8·IF YOU want to conserve energy, walking rather than running is the best plan.

如果你想节省力气，走路比跑步要来的好。

9·Saving and recycling water can conserve energy and reduce a home's carbon footprint.

节约用水、循环用水可以节能并减少住宅的碳足迹(碳排放量)。

10·Climbing in ways that conserve energy and enable rapid recovery is a smart thing!

然而寻求省力并且能够迅速恢复体力的攀登方式则很明智。