a. 保养得很好的
在线英汉词典

well-preserved的短语、例句：

well-preserved adj (a) (of an old person) not showing many signs of old age; young-looking （指老人）不显老的, 显得年轻的, 少相的. (b) (of old things) in good condition （指旧物）保存得好的
a well-preserved Greek temple 保存得很好的希腊庙宇.