noun🔗ShareプフPff"After I told him I couldn't lend him money, his only response was a dismissive "pf." "彼にお金を貸せないと伝えた後、彼の唯一の反応は軽蔑的な「プフ」だった。soundexclamationcommunicationChat with AIVocabulary GamePractice Reading
noun🔗Share力率The 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."力率は、有用な仕事をする電力の尺度であるため、関心があります。physicsenergyelectronicstechnicalelectricsystemfunctionChat with AIVocabulary GamePractice Reading