Correct

繁博

/ fán bó / 
Strokes

Definition

numerous and wide-ranging

Example

As an Adjective

(of quotations) wide and extensive

1
Yǐnzhèng
引证
fánbó
繁博

extensive/copious quotations

2
Lùnjù
论据
fánbó
繁博

broadly based/well-grounded argument