常見(jiàn)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(cè)。Tick the box marked"r" if you require a receipt. 如果您要求開(kāi)收據(jù),請(qǐng)?jiān)跇?biāo)有R的方格中打個(gè)記號(hào)。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.