EPA also enforces noise standards for trucks and airplanes.环保局对卡车和飞机也规定了噪音标准.He enforces an argument by analogies.他用种种比方来加强论点.The legislative branch enacts laws ; the executive branch enforces them , and the judicial bra...
Alexandria's population was cosmopolitan, but mainly Greek.亚历山大市的居民来自世界各地, 但以希腊人居多.The commercial and intellectual importance of Alexandria continued for many centuries.亚历山大城在商业上和知识上的重要性,持续了许多世纪.Within a couple of w...