noun🔗Share手首The complex joint between forearm bones, carpus, and metacarpals where the hand is attached to the arm; the carpus in a narrow sense."She wore bracelets on both her wrists. "彼女は両方の手首にブレスレットをしていた。bodyanatomypartmedicinephysiologyorganhumanChat with AIVocabulary GamePractice Reading
noun🔗Share手首A stud or pin which forms a journal."The wrists on the old printing press needed oiling, as they were squeaking with each rotation. "古い印刷機の両手首は、回転するたびにきしみ音がしていたので、油をさす必要があった。partmachinetechnicalChat with AIVocabulary GamePractice Reading