全长
word C2- overall length
- span
Its characters
From the library
京杭大运河北起北京，南至杭州，全长1700多公里，是世界上开凿最早、规模最大的人工运河之一。
黄河发源于青藏高原，全长五千四百多公里，是中国的第二长河。
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