powerful

a.强有力的；有权力的；作用大的

poverty trap, poverty-stricken, POW, powder, powder blue, powder-keg, powder-magazine, powder-puff (also puff), powder-room, powdery, power, power cut, power house, power line, power politics, power-boat, power-dive, power-point, power-station (US `power plant), powered, powerfully, powerless, powerlessly, powerlessness, powwow, pox, pp, PPE, PPS (also pps), PR, practicability, practicable, practicably, practical, practical joke, practicality, practically, practice, practician, practicing,