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...
My skin goes red and blotchy.我的皮肤泛红，而且起了斑点。...blotchy marks on the leaves.叶斑Blotchy skin is a symptom of many skin diseases.皮肤上出现污斑是许多皮肤病的症状.her blotchy and swollen face她的布满斑点的浮肿的脸...