conserve

保存；将…做成蜜饯；使守恒英释中释vto protect something and prevent it from changing or being damaged

果酱；蜜饯英释中释nfruit that is preserved by being cooked with sugar

1 We must conserve our woodlands for future generations..我们必须为子孙后代保护林地。

2 efforts to conserve fish stocks.保护鱼类资源的努力