...a largely uncharted area of medical science.是什么意思？

...a largely uncharted area of medical science.

医学中一个几乎全新的领域

largely

adv. 大部分地，主要地，大规模地，丰富地；

例句
...a research programme that has largely failed to achieve its principal aims.
在较大程度上未能实现其主要目标的研究项目

uncharted

adj. 未知的，图上未标明的；

例句
Carter's fourth album definitely moves into uncharted territory.
卡特的第四张专辑无疑涉足了全新的领域。

area

n. 地区，区域，范围，面积，平地，领域；

例句
The area has an abundance of wildlife...
这片地区有丰富的野生动植物。

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。

medical

adj. 医学的，医药的，医疗的，内科的；n. 体格检查；

例句
...a Code of Practice that would give patients right of access to their medical records.
允许病人查看自己病历的职业准则

science

n. 科学，技术，知识，学科，理科；

例句
It is accepted wisdom that science has been partly responsible for the decline of religion.
人们普遍认为，科学的兴起是宗教衰落的部分原因。