DC

剑桥词典

DC noun [U] (ELECTRICITY)


abbreviation for direct current : electrical current that always flows in one direction
直流电（direct current的缩写）
比较
AC (ELECTRICITY)


DC noun [U] (ADDRESS)


abbreviation for the District of Columbia: an area of the eastern US that has the same borders as the US capital , Washington, and is not part of a US state
哥伦比亚特区（the District of Columbia的缩写） 返回 DC