conserve
vt.保护，保藏，保存；[化，物]使守恒；将…做成蜜饯
n.果酱，蜜饯
网络解释.保全；节省；腌渍；保藏
词形变化:
过去式：conserved 过去式：conserved 过去式：conserving 过去式：conserves
maintain keep save guard protect preserve
双语例句
1. 1 . The republic's factories have closed for the weekend to conserve energy.
为了节约能源，该共和国的工厂周末不开工。
来自柯林斯例句