流浪狗的英文：
a stray dog

stray是什么意思：
v. 迷路；闲逛；偏离；分心；绕行；不由自主移动
n. 迷路者；误入歧途；因无人继承而归公的遗产；杂层
adj. 迷路的；孤立的；零星的；杂散的

stray capacitance
杂散电容

glean (stray ears of) wheat
拾青穗

That cat is a stray that we took in.
那是我们收养的一只走失的猫。

We were befriended by a stray dog.
有一只失散的狗和我们很好。

The stray betrayer arrayed the sprayers on the road.
偶然的背信者在道路上排列喷雾器。

dog是什么意思：
n. 狗；家伙
v. 跟踪，追踪

Is this dog trained?
这狗受过排便训练吗？

As faithful as a dog.
像狗一般的忠诚。

In the dog　house
窘迫,陷入困境

A dog in the manger
占着马槽(不拉屎)

Be a dog in the manger
占着茅坑不拉屎