Ibiza preserves considerable evidence of its long history.是什么意思？

Ibiza preserves considerable evidence of its long history.

另外,伊维萨岛的历史遗迹保存完好.

Ibiza

n. 伊比沙岛（位于地中海西部）；

例句
Majorca and Ibiza are tops for holiday bargain-hunters in June…
对于实惠型度假者来说，马略卡岛与伊维萨岛是 6 月份的绝好选择。

preserves

v. 保存( preserve的第三人称单数 )，保护，保持，防护；

例句
With the menfolk away at war, women got their first crack at the male preserves of employment and sport.
由于男人们都去了战场，女人们第一次在男性专属的职业和运动中一展身手。

considerable

adj. 相当大（或多）的，该注意的，应考虑的；

例句
Despite considerable pain she has been getting out and about almost as normal...
尽管还很痛，她已经基本上行动如常。

evidence

n. 证词，证据，迹象，明显；vt. 使明显，显示，表明，证实；

例句
...scientific evidence that did not fully accord with the facts uncovered by the police.
与警方所掌握的情况不完全一致的科学证据

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

its

pron. (it的所有格形式)它的，厥；

例句
The government is to accelerate its privatisation programme.
政府将加快其私有化计划的进程。

long

adj. 长的，长时间的，冗长的，过长的，长音的；adv. 长久地，始终，遥远地；n. 长时间，长时期，[语]长音节，（服装的）长尺寸，长裤；vi. 渴望，极想；

例句
As long as most people are happy to have the monarchy, the abolitionist position is an arrogant fantasy.
只要大多数人还乐意保留君主制，废除它的主张就是痴人说梦。

history

n. 历史，历史学，发展史，履历，经历，（某地的）沿革；

例句
The way that American history is taught may change in order to accommodate some more of those cultures.
美国历史的授课方式可能会为了照顾到更多的文化而作改变。