单词	管--脉管
释义	管；脉管vas vasa; vessel
随便看	firsts and seconds 一等品和二等品 first scale-step first-scattering first-scattering angle first school first sea lord first season crop first second and third, first,second, third first secretary first section first selecting first selector first sergeant first sergeants first serial rights first served first come first setting first setting--monoclinic system first shoot first short period first side-lobe amplitude first sight first signal system first similar illness date