Confusion consequently reigns over a broad spectrum of unanswered questions dealing with avian origins and the biology of dinosaurs and early birds.

因此，关于鸟类的起源、恐龙和早期鸟类的生物学特性等一系列未解之谜都笼罩在困惑之中。

youdao

Policies that do so span a broad spectrum.

这样的政策跨越了很广的一个范围。

youdao

Freelancers oftentimes have a broad spectrum of knowledge which can be helpful to others.

自由职业者往往见多识广，这一点对别人很有用。

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Furthermore, the process must include a broad spectrum of Egyptian voices and opposition parties.

WHITEHOUSE: President Obama on Transition in Egypt

Blackening it allows it to absorb light throughout a broad spectrum, making it far more effective.

BBC: Copper wire

Leaders joined from across the country and from a broad spectrum of religious and non-religious backgrounds.

WHITEHOUSE: Faith-based and Neighborhood Partnerships Blog