她撕下两格纸巾，然后纵向对折。She tore off two sections of paper towel and folded them lengthwise.把煎蛋对折。Fold the omelette in half.把地图对折起来,这样看起来更容易.Double over the map so that we can read it more easily....
天花板是灰色的，而且有裂纹。The ceiling was grey and cracked.盘子上有一道裂纹。The plate had a crack in it.所有的飞机都在接受检查，看是否可能有裂纹和腐蚀现象。All planes are being inspected for possible cracking and corrosion....
I told him I wasn't interested, but he wasn't deterred.我已告诉他我不感兴趣，可他却不罢休。Such observation have deterred most prudent investigators from attempting direct contact - angle measurements.这个研究成果对企图采用直接测量方法测量接触角的研究人员...