adjective🔗Share冷酷, 无情。 Emotionally hardened; unfeeling and indifferent to the suffering/feelings of others."She was so callous that she could criticise a cancer patient for wearing a wig."她简直冷酷无情，竟然会因为一个癌症病人戴假发而批评她。characterhumanattitudemindemotionmoralChat with AIVocabulary GamePractice Reading
adjective🔗Share起老茧的，生硬的 Having calluses."The farmer's hands were callous from years of working in the fields. "农民的手因为常年在田里干活，都磨出了厚厚的老茧。bodyappearanceChat with AIVocabulary GamePractice Reading
noun🔗Share老茧，胼胝 A hardened area of the skin (especially on the foot or hand) caused by repeated friction, wear or use."After a summer of gardening, she noticed a thick callous forming on her palm from gripping the shovel. "一个夏天都在园艺后，她注意到自己握铲子的手掌上长出了一层厚厚的老茧。bodymedicinephysiologyanatomywearChat with AIVocabulary GamePractice Reading
noun🔗Share骨痂 The material of repair in fractures of bone; a substance exuded at the site of fracture, which is at first soft or cartilaginous in consistency, but is ultimately converted into true bone and unites the fragments into a single piece."The doctor explained that the fractured bone's callus was growing stronger each week. "医生解释说，骨折处形成的骨痂每周都在变得更强壮。medicineanatomyphysiologybiologybodyChat with AIVocabulary GamePractice Reading
noun🔗Share愈伤组织 The new formation over the end of a cutting, before it puts out rootlets."The gardener carefully examined the callous on the cutting before planting it. "园丁在种植插条之前，仔细检查了切口处的愈伤组织。plantbiologyagricultureChat with AIVocabulary GamePractice Reading
noun🔗Share额瘤 A shining area on the frons of many species of Tabanomorpha (horse flies and relatives)."The entomologist used a magnifying glass to examine the callous on the horse fly's head. "昆虫学家用放大镜检查马蝇头部的额瘤。anatomyinsectbiologyanimalChat with AIVocabulary GamePractice Reading
