单词	Gram staining
释义	Gram staining 革兰氏染色
随便看	positive delivery positive delivery lay positive delivery of oil positive density positive density-dependent factor positive derail positive developer positive development positive deviation positive diageotropism positive die positive dihedral angle positive direction positive discharge positive-discharge bucket elevator positive-discharge elevator positive discharge elevator positive discrimination positive dislocation positive-dispacement pump positive dispersion Positive Displacement positive displacement air compressor positive-displacement air compressor positive displacement blower cblt cblz cbnx cbny cbnz cbql cbrd cbrw cbry cbsc franchise frank frappe frappé frasco freak free free address freeaddress free agent