noun🔗Share픞Pff"After I told him I couldn't lend him money, his only response was a dismissive "pf." "내가 그에게 돈을 빌려줄 수 없다고 말한 후, 그의 유일한 반응은 무시하는 듯한 "픞"이었다.soundexclamationcommunicationChat with AIVocabulary GamePractice Reading
noun🔗Share역률The ratio of the actual power to the apparent power in an alternating current power system; specifically, the cosine of the phase angle between the voltage and the current."The power factor is of interest because it is a measure of the power which does useful work."역률은 유용한 작업을 수행하는 전력의 척도이기 때문에 관심의 대상입니다.physicsenergyelectronicstechnicalelectricsystemfunctionChat with AIVocabulary GamePractice Reading