preserve

We must encourage the planting of new trees and preserve our existing woodlands..我们必须鼓励栽种新树木，同时也要保护现有的林地。

pre(前面) ＋ serve(服务) → 提前提供服务 → 保护； 保存记忆

preserve food保藏食物

真题例句...he wants to preserve the tradition of the neighborhood ice-cream truck...第二套CET42016.12听力题

真题例句...countries that overcut forests actually do better than those that preserve their forests...第一套CET42015.6听力题

真题例句...We write to preserve our family histories so our children and grandchildren can learn and appreciate their heritage...CET42010.12听力题

真题例句...Only a tiny fraction of Americans change any behaviors in an effort to preserve their privacy...CET42008.6阅读理解