1.a flow of electricity through a conductor;
the current was measured in amperes
2.a steady flow (usually from natural causes);
the raft floated downstream on the current
3.dominant course (suggestive of running water) of successive events or ideas;
two streams of development run through American history
4.occurring in or belonging to the present time;
current events
current可以表示为函数的符号,也可以表示为英语单词。或者可以理解为计算机操作命令。