地线的英文：
earth (lead)
ground
ground electrode
ground lead
ground wire

First connect the black ground lead, then connect the orange/white striped, yellow and red power input leads.
首先连接黑色地线，然后连接橙色／白色条纹线、黄色和红色电源输入线。

To avoid electrical shock hazards, never operate the sewing machine with the ground wire for the power supply removed.
为了防止触电事故，卸下电源地线的状态，请不要运转缝纫机。

This is paradise on earth.
这是世上的极乐。

pit in the earth
地下的洞穴

to earth a body
埋葬一具尸体

Will you take the lead?
你领个头好吗？

Lead poisoning( or plumbism )：Poisoning by accumulation of lead in the body.
铅中毒:铅在体内积累引起的中毒。

The road leads direct there.
这条路直接通那儿。

on solid ground
在稳固的基础上

Their ship was grounded.
他们的船搁浅了。

The ground has thawed.
地面解冻了。