at presentnow； during this period of time现在*At present he is a professor of physics．他现在是物理学教授。*I can't think of any fit person just at present．我现在一下想不出什么适合的人。*We don't need any more at present．现在我们不再需要什么了。 ...
at the moment1．at the present time； now此刻；目前（用于现在时态中）*I know the address well enough，but I can't think of it at the moment．我清楚地记得这个地址，可是这会儿怎么也想不起来了。2．then那时；那一刻（用于过去时态中）*I was busy at the moment．我那时很忙。*I ...
nownow[naJ; nau]副词（无比较级、最高级）A 1a. 现在,此刻,目前,现在 （已经） ,按目前的情形He is busy ~.他现在很忙It is ~ over.现在已经完了 [过去了]b. 马上,立刻 （at once）Do it right ~.现在马上做You must post the letter ~.你必须马上寄这封信2 ...