1·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。
2·Policies that do so span a broad spectrum.
这样的政策跨越了很广的一个范围。
3·Households accumulate wealth across a broad spectrum of assets.
家庭在以各种各样的资产形式积累财富。
4·What does the term 'broad spectrum' mean when applied to sunscreens?
当“广谱(broad spectrum)”用于指防晒霜时，是什么意思呢？
5·That school offers a broad spectrum of courses for international students.
该校提供各国学生种类繁多的课程。
6·It has a broad spectrum, low toxicity and high activity when used as pesticide.
脒类化合物作为杀螨杀虫剂，具有广谱、低毒、活性高的优势。
7·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。
8·Never have two great powers been obligated to work together on such a broad spectrum of issues.
从来没有两个大国肩负着在如此广泛的问题上相互合作的重任。
9·Wear a broad spectrum sunscreen, even in the winter, anywhere skin is open to the elements.
在皮肤暴露在外的环境下都要涂抹全效防晒霜，即使是冬天也一样。
10·Broad spectrum means it is effective against many types of bacteria that can cause eye problems in cats.
广谱意味着它是对多种类型的细菌，可以引起猫的眼睛问题的有效。