[bǎo cún]
(使事物、性質、意義、作用等繼續存在, 不受損失或不發生變化) preserve; keep; conserve; hold; maintain; reposit
conserve one's vitality [strength]
保存精力
preserve one's strength; conserve one's forces
保存實力
preserve reference materials
保存資料
These books are well preserved.
這些書保存得很好。