DC
剑桥词典
DC noun [U] (ELECTRICITY)
abbreviation for direct current : electrical current that always flows in one direction
直流電(direct current的縮寫)
比較
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
哥倫比亞特區(the District of Columbia的縮寫) 返回 DC