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。

youdao

We have taken such a very serpentine course, and the wood itself must be half a mile long in a straight line, for we have never seen the end of it yet since we left the first great path.

我们走的这条路弯弯曲曲的，这片林子从这边到那边的直线距离肯定有半英里，我们离开第一条大路到现在，还望不见树林的尽头。

youdao

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。

youdao

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