noun下载🔗分享直角, 正角 Half of the angle formed by a single straight line, equivalent to 90 degrees.例子:"The corner of a standard piece of paper is a right-angle. "一张标准纸的角是一个直角 (Yī zhāng biāozhǔn zhǐ de jiǎo shì yī gè zhíjiǎo.)math与AI对话词汇游戏阅读练习
noun下载🔗分享直角，正角 An ∟ character.例子:"The carpenter checked the corner of the wooden frame to ensure it was a perfect right-angle. "木匠检查了木框的角落，以确保它是一个完美的直角。mathsigncharacter与AI对话词汇游戏阅读练习
