能源: the sources of energy; energy resources; energy source; energy◇能源短缺 energy shortage; 能源工业 energy industry; 能源构成 energysource composition; 能源管理 energy control; 能源合作 cooperation in the field
联邦: federation; union; commonwealth 短语和例子英联邦 the british commonwealth of nations; 联邦储备券 federal reserve note; 联邦储备银行 federal reserve bank; 联邦存款保险 federal deposit insurance; 联邦调查局 the (u.s.) fe
