Replacement can be a marvelously precise process, so that details of shell ornamentation, tree rings in wood, and delicate structures in bone are accurately preserved.
替换可能是一个令人惊叹的精确过程，因此贝壳纹饰的细节，树木的年轮和骨的微妙结构都被准确地保存。
2
The old part of Varna has been well preserved: it has pleasant tree-lined avenues, pedestrianised squares and a slightly Greek, westernised feel.
瓦尔纳的老城保护得很好，有环境宜人的林荫大道和步行街广场，稍有一点希腊和西方的氛围。
3
When the large screen-like pivot doors are open the entire site is unified, bringing into play the small plaza in front and the large Acacia tree which was preserved during construction.