单词	angle of thread
释义	angle of thread : the angle between the sides of a screw thread measured in an axial plane Word History First Known Use 1847, in the meaning defined above
随便看	helmet crab helmet liner helmet orchid helmet quail helmet shell helmet shrike helmeted helmeted guinea fowl helmetflower helmetfloweres helmetflowers helmeting helmetlike helmetpod helmets Helmholtz Helmholtz coil Helmholtz double layer Helmholtz resonator helmholtzes helming helminth Helminthes helminthiases helminthiasis

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。