only用法拾零许文龙only是一个在英语中出现频率很高的词,它的意思繁多,用法复杂,不少学生常误用.一、only用作形容词1. 与the连用,意为“惟一的”,作定语.如：John is the only boy in his family.约翰是家里惟一的男...