单词	umbrlical veins
释义	umbrlical veins 脐静脉
随便看	standard mould base library standard mould bases standard mould frame standard moulding compound standard movable block signal system standard mu standard muf Standard multi-component standard multigrid method Standard Multimedia Scripting Language standard multimode fiber standard multipoint recorder standard multi-regression Standard Multi-User Small Computer standard muscle test standard musical pitch standard music description language standard mutual inductor standard muzzle velocity Standard Name Line standard naoh solution standard national currency standard natural rubber standard nautical mile standard navigation computer