noun 下载 🔗分享 老茧，胼胝 A hardened area of the skin (especially on the foot or hand) caused by repeated friction, wear or use. Examples : "After a summer of gardening, she had a thick callus on her palm from gripping the shovel. " 一个夏天都在园艺劳作后，她握铲子的手掌上磨出了一层厚厚的老茧。 body medicine physiology anatomy condition 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 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. Examples : "The doctor explained that the callus in Sarah's broken arm was healing well, and the fragments were slowly uniting. " 医生解释说，莎拉骨折的手臂上的骨痂愈合情况良好，骨头碎片正在慢慢地连接在一起。 medicine physiology anatomy body biology science substance 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 愈伤组织 The new formation over the end of a cutting, before it puts out rootlets. Examples : "The gardener carefully examined the cutting, noting the developing callus before planting it. " 园丁仔细检查了扦插的枝条，注意到在种植前正在形成的愈伤组织。 plant biology agriculture 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 额瘤， 亮斑 A shining area on the frons of many species of Tabanomorpha (horse flies and relatives). Examples : "The horse fly's callus shone brightly under the afternoon sun. " 下午的阳光下，那只马蝇额头上的额瘤（亮斑）闪闪发光。 anatomy insect biology animal 与AI对话词汇游戏阅读练习
verb 下载 🔗分享 起茧，生茧。 To form such hardened tissue. Examples : ""After gardening all summer, my hands started to callus." " 整个夏天都在园艺劳作后，我的手上开始起茧子了。 body physiology medicine 与AI对话词汇游戏阅读练习
