
好词典

源自拉丁语 'tuberculum'(小肿块),是 'tuber'(块茎)的指小词,16世纪进入英语。
❶ 指小的圆形突起或结节,常见于骨骼表面或某些植物根部,也指结核病的病变组织。
“The doctor found a tubercle on the patient's rib during the X-ray.”
(医生在X光片上发现患者肋骨上有一个小结节。)
“Tubercles on the roots help the plant absorb nutrients more efficiently.”
(根部的瘤状结构帮助植物更高效地吸收养分。)
tubercle bacillus — 指引起结核病的细菌,即结核分枝杆菌,医学专业术语。
“The tubercle bacillus was identified under the microscope.”
(在显微镜下观察到了结核分枝杆菌。)