length of an interval 区间的长度 ; 区间长度
an arm-length transaction 销售属于公平交易
at an arm's length 保持一定距离
an average length 平均长度
an electrode length 电极长度
an effective length 有效长度
If an interactive computer screen is to match a whiteboard in usefulness, it must be viewable from arm's length as well as from across a room.
如果一个交互式计算机屏幕要在实用性上与白板相匹配，它必须在手臂长度范围和横跨房间范围内是可视的。
One of the showiest stunts that some languages can pull off is an ability to build up words of breath-breaking length, and thus express in one word what English takes a whole sentence to say.
有一些语言最令人叹为观止的特色之一，是能够创造出某些长得无法一口气读完的单词，由此用一个单词就能表达英语需要用一整个句子才能说出来的意思。
These spires were considered an architectural part of the building, so their length was included in the building's height measurement.
VOA: special.2010.03.31
He likes to be in situations where he can talk at length about what the parts are of an issue."
VOA: standard.2010.01.16
Bdi says that though this is an essential step, the length of this review period should be limited.
VOA: standard.2009.09.29
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