引用Luckygirl于2009-11-03 16:23发表的文章:
频率特殊,使继电器处于危险状态.同时造成听筒有振铃声,铃也不响了.
account for 是造成...的原因
我查了一下, account for "没有造成...的原因"的意思,我等会再去查一查其它字典.谢谢!!
account for something phrasal verb
1to form a particular amount or part of something:

Afro-Americans account for 12% of the US population.
2to be the reason why something happens [= explain]:

Recent pressure at work may account for his behavior.
3to give a satisfactory explanation of why something has happened or why you did something [= explain]:

Can you account for your movements on that night?
4to say where all the members of a group of people or things are, especially because you are worried that some of them may be lost:

Three days after the earthquake, more than 150 people had still to be accounted for.