He rubbed and rubbed but couldn't seem to get clean.他擦了又擦，可就是擦不干净。No matter how hard I try I cannot seem to catch up on all the bills...无论怎么努力，我好像就是无法付清所有的账单。Nuclear weapons seem to violate the just war principle of...
Those electing to smoke will be seated at the rear.那些想吸烟的人将坐在后排。Stevens's murder was the result of a deep-seated and intense hatred.史蒂文斯遭谋杀源于深仇宿怨。The room was empty apart from one man seated beside the fire.除了有个男人坐在...
这些火焰造成了对流漏斗，把许多微粒抛向上层大气。These fires create convection funnels, and throw a lot of particles into the upper atmosphere.对流可分为两类, 即 自然对流和强制对流.Convection can be of two types: natural convection and forced convection.散发汗水的一种方...