常规液体里分子之间的键合力相对较弱。The molecules in regular liquids are held together by relatively weak bonds.粘阻力等于合力.The viscous drags is equal to the resultant force.在这个和那个方向上的合力必定为零.The summations of forces in this and that direction...
The big man had a high-pitched reedy voice.这个大个子男人声音又高又尖。His voice was curiously high-pitched, reedy, almost effeminate.他的嗓音出奇地高，尖声尖气，有些娘娘腔。The reedy grass covered the whole area.又细又长的草覆盖着整个地区....
干邑白兰地也用于浸渍食材，给砂锅炖菜提味。Cognac is also used to macerate and flavour ingredients and casseroles.把所有切好的蔬菜放入砂锅。Place all the chopped vegetables into a casserole dish.女性有时因过度使用磨砂膏而损伤了皮肤。Women sometimes damage their skin by goin...