noun ダウンロード 🔗共有 プフ Pff Examples : "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。 sound exclamation communication AIとチャット語彙ゲーム読解練習
noun ダウンロード 🔗共有 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. Examples : "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。 physics energy electronics technical electric system function AIとチャット語彙ゲーム読解練習
