an epic tale of courage and heroism一个充溢着勇气和英雄气概的史诗故事On Sept. 11, all three kinds of heroism came to light.在9月11日, 3种类型的英雄主义行为都有所体现....an act of heroism...一次英雄壮举...individual acts of heroism.个人英雄主义行为Self - trust is the es...
Stories of his heroism resounded through the country.他的英雄故事传遍全国.Self - trust is the essence of heroism.自信 为英雄气概之本.He received a medal for his heroism.他由于英勇而获得一枚奖章....
a method of smelting iron一种炼铁方法Darby was looking for a way to improve iron when he hit upon the idea of smelting it with coke instead of charcoal.达比一直在寻找改善铁质的方法，他猛然想到可以不用木炭熔炼，而改用焦炭。Fire provided a means of smelting ores....
Through some unfortunate accident, the information reached me a day late.由于发生了不幸的意外，我知道消息的时候已经晚了一天。Every year we have charity days to raise money for unfortunate people.每年我们都有慈善日来筹款帮助贫困人群。It really is desperately unfortu...