current 
英 [ˈkʌrənt]  美 [ˈkʌrənt] 
n. （水，气，电）流；趋势，潮流

adj. 现在的；通用的；流行的

例句：
It is safe to touch the live rail once the current has been turned off. 

切断电流后触摸载电轨是安全的。

A powerful electric current is passed through a piece of graphite. 

给一块石墨通入强电流。

The child had been swept out to sea by the current. 

这个孩子被水流卷进了大海。

The current is very strong here. 

这儿的水流很强。

Who is to blame for the current crisis? 

目前的危机应该怪谁？

Our current methods of production are far too expensive. 

我们现在的生产方式花费太高。