成对的英语短语VIP免费

: 【成对的英语短语】1.back and forth 前后；2.fire and water 水火；3.flesh and blood 骨肉；4.heat and cold 冷热；5.iron and steel 钢铁；6.north and south 南北；7.off and on 开关；8.rain or shine 阴晴；9.young and old 老少；10.rain and wind 风雨。