So this is an energetic thing not an anatomical thing or an alignment.

这是个充满活力的事情，不是解剖意义的，也不是成直线。

A pirate would see fewer trees when two or more fell along a straight line from their vantage point.

从海盗的观，如果两棵或以上的树成直线，那位海盗可见的树的数目就变少了。

Waiting in line for a chance at the operating table.

成直线等待机会上手术台。

When in reality, it was the moon, coming into alignment with the Earth.

而事实是月亮和地球成了直线。

He began to move forward cautiously, placing his paws in a straight line one after the other.

他开始小心翼翼地向前走，一只又一只的爪子成一条直线。

To explain what a boxer engine is, you know, a lot of cars, most cars have, well, these days, most cars have inline engines where the cylinders are in a line.

解释一下什么是水平对置发动机，你知道，很多车，大多数车，现在嘛，多数车都用的是直列发动机，气缸成一条直线。 过去很多车用的是V型发动机， 气缸呈V字形列以保持平衡。