well-preserved /ˌwɛlprɪˈzɚvd/ adjective Learner's definition of WELL-PRESERVED
[more well-preserved; most well-preserved]
: kept in good condition over a long period of time保存完好的；保养得好的 -
well-preserved fossils保存完好的化石
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(humorous) She just turned 60, but she's well-preserved. [=she looks younger than 60]她刚过六旬，但保养有方。