noun🔗Share肘，腕尺， 臂尺。 Various former units of length notionally based on the distance from a grown man's elbow to his fingertips, standardized in different places and times at values between 35 and 60 cm."The ancient builders used cubits to measure the length of the stones for the wall, knowing each cubit was about the distance from a man's elbow to his fingertips. "古代的建造者使用肘（一种长度单位）来测量城墙石块的长度，他们知道每肘大约等于一个成年男子从手肘到指尖的距离。unithistoryarchaeologyChat with AIVocabulary GamePractice Reading
noun🔗Share肘骨，尺骨 The ulna."The doctor measured the child's cubit to assess arm growth. "医生测量了孩子的尺骨，以评估手臂的生长情况。anatomybodypartmedicinephysiologyorganhumanChat with AIVocabulary GamePractice Reading
