spectrum [ˈspektrəm]以下由轻松背单词网站提供
单词级别第7级基本释义n.谱,光谱,频谱;范围,幅度,系列英英释义the set of colours into which a beam of light can be separated , or a range of waves , such as light waves or radio waves参考例句This is a kind of atomic spectrum. 这是一种原子光谱。We have known much of the constitution of the solar spectrum. 关于太阳光谱的构成,我们已了解不少。 推荐阅读 |