单词	羊群--禽群
释义	羊群，禽群flock
随便看	velocity focusing velocity-focusing velocity-focusing--mass-spectrograph velocity-focussing mass-spectrograph velocity for input velocity-- frontal velocity; frontal velocity function velocity gage velocity gate deception velocity gauge velocity gauging velocity-- geostrophic wind velocity; geostrophic wind velocity gradient velocity-gradient map velocity gradient tensor velocity; group velocity head velocity--head velocity head coefficient velocity-head coefficient velocity-head tachometer velocity-height ratio velocity-height-ratio