If是什么意思
8个回答

if

连接词 conj.

1.(表示条件)如果

He will come if you invite him.

如果你请他,他会来的.

2.(表示虚拟)假如,要是

If I were you, I would never do that.

如果我是你,我决不做那件事.

3.(表示让步)即使

We'll go even if it rains.

即使下雨我们也要去.

4.是否

I wonder if she is ill.

不知她是否病了.

5.(表示因果关系)每一次...的时候(总是会)

If I feel any doubt, I inquire.

我一感到有疑问就随时询问.

名词 n.

1.条件;设想[C]

There are too many ifs in his offer.

他的提议中条件太多了.

IF

=i.f.

if.

缩写词 abbr.

1.=information feedback 信息回馈

2.=interferon

3.=intermediate frequency 中频

i.f.

缩写词 abbr.

1.=intermediate frequency 中频