| 释义 |
protractorUK:*/prəˈtræktər/US:/proʊˈtræktɚ, prə-/US:(prō trak′tər, prə-)UK-RP:UK-Yorkshire:Irish:Scottish:US Southern:Australian:Jamaican: 主要翻译 protractor n (mathematics: measuring tool)量角器;分角器;半圆规The geometry teacher required his students to buy protractors. |