词汇	Are they birds?
释义	Are they birds? 它们是鸟吗？
随便看	fast acting relay fast-acting relay fast-actings fast acting solenoid valve fast-acting spring actuator fast-acting tracking device Fast Acting Valve fast action fast-action fast-action bow Fast Action Fuze Fast Action Procedures fast activation cross section fast activation cross-section fast adaptation fast adapting afferent terminal fast adapting cell fast adaptive composite grid method fast adaptive filtering fast adaptive kalman filter fast adder fast address fast address calculation fast addressing of virtual storage fast advance cam