广博的英文：
extensive

参考例句：

The range of his erudition is wide.
他的学问很广博。

an ignorance almost as encyclopedic as his erudition(William James)
几乎象其广博的学识一样的无知(威廉·詹姆斯)

Mr Winchester is impressively knowledgeable about all manner of things.
温切斯特先生知识广博，通晓万事。

A wide scope of knowledge
广博学问

A person of infinite literature
学识广博的人

an ignorance almost as encyclopedic as his erudition(bWilliam James)
几乎象其广博的学识一样的无知(b威廉·詹姆斯)

The study of taxonomy must necessarily involve the amassing of an encyclopaedic knowledge of plants
分类学研究一定要积累广博的植物知识。

John played the field academically,obtaining doctorates from several universities.
约翰的学术广博，他从几所大学拿到了博士学位。

He is very well-informed; that's why he won the general knowledge competition.
"他见识非常广博,所以他在常识竞赛中获胜。"

He recounts the conflict with the exactitude of a well-informed witness and the zeal of a reformer
他以见识广博的目击者的精确性和革新者的热情详细叙述了这些冲突。

extensive是什么意思：
adj. 广大的，广阔的；大量的，广泛的

Removed the sablotron extension in favor of the new XSLT extension.
去掉了sablotron模块，使用新的XSLT扩展模块

The greatest difference was noted in extension.
伸展测试的差异是最显著的。

addition or extension that prolongs sth
增加或延长的部分.

Such contamination has been extensively studied.
人们对这种污染进行了大量研究。

They own extensive land by the sea.
他们拥有海边的辽阔土地。