自2010年至今的四级考试中， 共出现过 次
自2010年至今的六级考试中， 共出现过 次
ADJ-GRADED 简短的；短暂的 Something that is brief lasts for only a short time.
She once made a brief appearance on television...
This time their visit is brief.
ADJ-GRADED （讲话或文章）简短的，简洁的 A brief speech or piece of writing does not contain too many words or details.
In a brief statement, he concentrated entirely on international affairs...
Write a very brief description of a typical problem.
ADJ-GRADED 简明扼要的 If you are brief, you say what you want to say in as few words as possible.
Now please be brief — my time is valuable...
I hope to be brief and to the point.
ADJ-GRADED （时间）短的，短暂的 You can describe a period of time as brief if you want to emphasize that it is very short.
For a few brief minutes we forgot the anxiety and anguish.
N-PLURAL 短内裤 Men's or women's underpants can be referred to as briefs .
A bra and a pair of briefs lay on the floor.
VERB （尤指就某项工作或某一重大事件）向…简要介绍情况 If someone briefs you, especially about a piece of work or a serious matter, they give you information that you need before you do it or consider it.
A Defense Department spokesman briefed reporters...
The Prime Minister has been briefed by her parliamentary aides.
N-COUNT 正式委托；指示 If someone gives you a brief, they officially give you responsibility for dealing with a particular thing.
...customs officials with a brief to stop foreign porn coming into Britain.
PHRASE 简短地 If you refer to something in brief, you are referring to a shortened version of it with few details.
...and now sport in brief.
PHRASE 简言之；总之 You can say in brief to indicate that you are about to say something in as few words as possible or to give a summary of what you have just said.
In brief, take no risks.