线下的英文：
below-the-line

Subscript: Small character printed below the base line as part of mathematic equation. Also called Inferior character.
下标字符:在数学公式内，放在基线下的细字。

Chicks reared under natural light are frequently debeaked at 1 day of age or a few days after delivery to the brooder
在天然光线下饲养的小鸡，经常是在一日龄时或在进入育雏室后几天内断喙。

Write your name below the line.
在线下写上你的名字。

Off-line business operation
线下商贸运作

A ship disappeared below the horizon.
一艘轮船消失在地平线下。

It was even more pleasing to look at in the morning light.
它在早晨的光线下看起来更悦目。

Reading in a poor light taxes the eyes.
在暗淡的光线下读书很累眼睛。

Reading in a dim light is bad for the eyes.
在暗淡的光线下看书有损视力。

To read in the glaring light hurts one's eyes.
在耀眼的光线下看书伤眼睛。

The same hue will look different in different light.
同一颜色在不同的光线下看起来会有所不同。

This is a lined trunk.
这是一个有衬里的箱子。

They are politically in line.
他们在政治上意见一致。

On a map there are horizontal lines and vertical lines.
在地图上有水平的线和垂直的线。

To inscribe(a line or lines)with a pencil or other marking implement.
画用铅笔或其它做标记的器具刻线

The new proposal is in line with our general line.
新建议和我们总的原则是一致的。