1.我们每个人都必须遵守这个重要的决定。（用词组abide by）Everyone of us must abide by this important decision.2.以往的夏天，我们经常在湖上划船。（用词组used to do sth.）During past summers, we used to go boating on the lake.3.朋友之间往往只用“嗨”来打招呼。（用词组tend to ...
一、against作“逆着”、“对着”、“顶着”解：1.At this moment our automobile is running against the wind.此刻我们的汽车正在逆风行驶。2.Heat is produced when work is done against friction.当克服摩擦而作功时，有热产生。（原意为“顶住摩擦作功时……。”）3.A force is needed to...
关于英语问题(against) 
