conserve [k?n?s??v] v. 保护；保藏，保存；节约，节省
例句　We turned the bicycle light off to conserve the batteries.
我们把自行车的灯关了，以节省电池的用电。
衍生　conservation n. 保存，保持；保护
翻译　This kind of car is designed to conserve energy（节能）, but people seem to prefer well-designed cars.
同义替换　save v. 保存；节省preserve v. 保护，维持；保存protect v. 保护；保卫
adolescent [??d??lesnt] n. 青少年 adj. 青春期的，青少年的
例句　Social change also brings not simply different positions for women and girls, but different relations to life stages, and adolescent girls are participating in new subcultural forms. 同样，社会变化带给女性的不单是不同的社会地位，还包括生命阶段的不同关系，少女还参与到了崭新的亚文化形式中。