back-to-front对前面;后到前;背对战线

back-hoe front end loader后挖前卸式挖装机

back-to-front ratio正反比;反;后前比;详细翻译

back-to-front interference反渗噪声

wear his baseball cap back-to-front把棒球帽反着戴

wear the cap back-to-front前后反戴帽子

back-door cold front逆向冷锋

back-water in front of bridge桥前壅水

back-hoe e front end loader后挖前卸式挖装机