“principal rafter”概念、定义、翻译-科学时代

单词	principal rafter
释义	林业词汇手册 principal rafter 主椽
随便看	prosternum prostheca Prosthecochloris prosthesis prosthetic prosthetic group prosthetic group prosthetic group prosthetic group prosthodontics prostitution prostitution prostitution prostomial palp prostomial tentacle prostomium prostomium prostomium prostration Prostration prostration syndrome prosula prosulfocarb prosuspensor prosuspensor cell

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。