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ac
英汉字典
英英字典
解释
鉴别码;
同义
ac
actinium
atomic number 89
词性
n
解释
a radioactive element of the actinide series; found in uranium ores
示例
None
同义
ac
alternating current
alternating electric current
词性
n
解释
an electric current that reverses direction sinusoidally
示例
In the US most household current is AC at 60 cycles per second