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- 科family
- 尼科Nico
- 最著名的双折射起偏器是由苏格兰物理学家尼科耳在1828年发明的。The most renowned birefringent polarizer was introduced in 1828 by the Scottish physicist Nicol.
- 科比Bryant
- 尼采Nietzsche
- 尼康Nikon
- 内科医生internist
- 宾夕法尼亚Pennsylvania
- 科系department
- 尼桑Nissan
- 检验科clinical laboratory
- 宾夕法尼亚大学University of Pennsylvania
- 猫科动物felid
- 逊尼派Sunnite
- 分科subdiscipline
- 汉尼拔hannibal
- 内科医生或外科医生A physician or surgeon.
- 虎是一种普通的猫科动物。The tiger is a common representative of the cat family.
- 男科andrology
- 泌尿科urology department
