noun🔗Share延伸者，延长器 One who, or that which, protracts, or causes protraction."The long meeting felt like a protractor of my workday, stretching it far beyond its normal length. "这场漫长的会议感觉像是把我工作日的一个延伸器，把工作时间远远地延长了。utensilmathstationeryChat with AIVocabulary GamePractice Reading
noun🔗Share量角器 A circular or semicircular tool for drawing or measuring angles."The student used a protractor to measure the angle of the triangle in her math homework. "那个学生用量角器测量数学作业里三角形的角度。mathutensilstationeryChat with AIVocabulary GamePractice Reading
noun🔗Share取弹器，取物器。 An instrument formerly used in extracting foreign or offensive matter from a wound."The doctor used a small protractor to carefully remove the splinter from the child's finger. "医生用一个小取物器小心地从孩子的手指里取出了木刺。medicineutensildeviceChat with AIVocabulary GamePractice Reading
noun🔗Share前伸肌 A muscle that extends an organ or part; opposed to retractor."The physiotherapist focused on strengthening the protractor muscle in Sarah's shoulder to help her lift her arm more easily. "理疗师专注于增强莎拉肩膀上的前伸肌，以帮助她更容易地抬起手臂。physiologyanatomyorganbodyChat with AIVocabulary GamePractice Reading
noun🔗Share活动样板，拨动尺 An adjustable pattern used by tailors."The tailor used a protractor to precisely mark the fabric before cutting it for the dress. "裁缝在裁剪连衣裙的面料之前，用活动样板精确地做标记。utensilitemtechnicalChat with AIVocabulary GamePractice Reading
