单词	graded-index
释义	graded-index 缓变折射率
随便看	made a good job of made a good job of it made a good thing of made a grab at made a great difference made a guess made a habit of made a hash of made a her pile made a his pile made a hit made a hole in made a hole in the water made a joke about made a killing made a lip made a list of made a living made allowance made allowance for made allowances made allowances for made all the difference made a long arm made a long nose 相期邈云汉相留畏晓钟相留相送相看两不厌相看似相识相看只有山如旧相看如梦寐相看烛影相看白刃血纷纷相看白刃血纷纷二道贩子二郎神二郎腿二部制二部合唱二部曲二重唱二重奏二重工资制二重性