常見例句Note the polarity of the voltage drop across R. 注意R上電壓降的極性。Some people vocalize the “r” in four. 有些人把 “four” 中的“r”發(fā)成元音。Don't harbo(u)r unkind thoughts. 別心懷叵測。Tick the box marked"r" if you require a receipt. 如果您要求開收據(jù),請在標(biāo)有R的方格中打個記號。Oysters are only in season in the "r" months. 牡蠣的季節(jié)在含有r字的月份。Oysters are only in season in the 'r' months. 牡蠣的季節(jié)在含有 r 字的月份。 返回 R.