题目选项分析

Regardless of their form or function, any aerodynamically enhanced, curved object made for throwing has been called a boomerang by non-Australians ever since 1788, when Europeans saw Dharug-speaking men tossing "bumariny" in the area later known as Sydney.

Regardless of their form or function, all aerodynamically enhanced, curved objects made for throwing have been called boomerangs by non-Australians ever since 1788, when Europeans saw Dharug-speaking men tossing "bumariny" in the area later known as Sydney.