他曾轻率地说过什么吗？Had he been indiscreet in what he had said?有时候他们因自己的轻率而搭上性命。Occasionally they paid for their indiscretion with their lives.他怎么能如此轻率？How could he be so indiscreet?...
There is a shortage of carrots. So everybody starts growing carrots. Next season, surprise, surprise, there is a glut of carrots.胡萝卜紧缺，于是大家都去种胡萝卜。等到来年这个时候，可想而知，胡萝卜就会过剩。The glut of coffee led to a sharp drop in prices.咖啡供...
存在着许多势能和动能的能源.There exist many sources of energy both potential and kinetic.最大势能和总能量是 多少 ?What are the maximum potential energy and the total energy?因此,我们可以说,该系统有内势能.We can therefore say that the system has internal pote...