排擋速率

gear / gear speed

a row / a line / to set in order / to arrange / to line up / to eliminate / to drain / to push open / platoon / raft / classifier for lines, rows etc

gear (of car etc)

to resist / to obstruct / to hinder / to keep off / to block (a blow) / to get in the way of / cover / gear (e.g. in a car's transmission)

to arrange / to put in order

fast / rapid / quick / velocity

speed / rate

rate / frequency

to lead / to command / rash / hasty / frank / straightforward / generally / usually