but it rains sometimes 为什么没有系动词but it's rains sometimes 可以么

it never rains,but it pours 翻译：It never rains but it pours. It never rains but it pours是什么意思? but it rains sometimes.句中rains为何是复数? 亲,it never rains but pours but it rains sometimes 为什么没有系动词but it's rains sometimes 可以么 It never rains but it pours用英文翻译? It often rains there in spring,but it ---- ---- in winter. it never rains but it pours的中文意思 it never rains but it pours 的最佳翻译 It never rains but it pours的意思是什么? spring is beautiful,but in canada it often rains. it never rains,it pours中间没有but,貌似 是表天气吧.是没有，but。 It never rains but it pours.一定要英文解释,不少于十句!用英文解释It never rains but it pours,不少于十句，明白？ It never rains but it pours的汉语意思是什么?It never rains but it pours 这句到底是祸不单行的意思还是不鸣则已,一鸣惊人的意思? it often rains there in spring,but it( )( )in winerwiner应该是winter It never rains but it pours.Where there is will ,there is a it seldom rains here in sunmmer .but it snows () in wintera lot还是such often