coal的意思
depression of coal的翻译是?
captive coal
竹炭的英语怎么说?Bamboo Charcoal Bamboo Coal请问哪一个才是正确的呢?
句中double 的词性?I have ordered double the amount of coal that w
英语翻译关于论文里的句子However,we can divide international coal markets
what are the differences between 'hard coal' and 'soft coal'
coal dust is explosive.solids lumps of coal are not.
the use of coal and
翻译 take coal for instance
初2英语问题一、根据汉语意思或首字母提示写单词,补全句子:1.We ran out of coal,and had to
英语作文~关于能源!分3段1.能源的重要性(可从家庭、工厂、农业来写)2.传统能源(种类:coal、gas、wood、p
We must___oil with coal as a fuel.