单词 | protractor |
释义 | protractorWord family adjectiveprotractedprotractileprotractiveadverbprotractedlynounprotractionprotractorverbprotract Mathspro·trac·tor /prəˈtræktə $ proʊˈtræktər/ noun [countableC] HMa piece of plastic in the shape of a half-circle, which is used for measuring and drawing angles 量角器,分度规 → set square →5 see picture at 见图 mathematics Examples from the Corpus protractor• Moira screamed and ran away from him, dropping several books and a protractor.• After all, this is the unit used on the protractor that we first came across early in our school careers. |
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