单词	無頭（蚌類）
释义	同Acephalous
随便看	pitch names的意思 pitch natural frequency的意思 pitch number的意思 pitch of convolution的意思 pitch off的意思 pitch of gear的意思 pitch of increments的意思 pitch (of rifling)的意思 pitch of screw的意思 pitch of sound的意思 pitch of wire cord的意思 pitchometer的意思 pitch on的意思 pitch on ...的意思 pitch one's tent的意思 pitch one's tent,的意思 pitch on (或upon)的意思 pitch opal的意思 pitch or cast, to,的意思 pitch ore的意思 pitch or make a shed,的意思 pitch out的意思 pitchout的意思 pitch over的意思 pitchover的意思