If the human genome were put in a straight line, it would be over six and a half feet long.

若将单一细胞内所有的基因组片段拉成一条直线，那长度将超过6.5英尺。

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Serpentine. The serpentine consists of half circles connected by a straight line.

蛇乘蛇乘是将几个半圆形用直线连接组成的。

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We either go to straight line up at one-half point per trading day for the remainder of the year or we correct and then move up again.

FORBES: Get Ready For A Correction

We should expect that the strong trend moving through the beginning of 2012 is eventually revised into a straight-ish line probably adding another half a million or so jobs to our 2012 estimates.

FORBES: ADP Benchmark Revision Adds Over 600K Private Sector Jobs