大犬座的英文：
Greater Dog

greater是什么意思：
adj. [great]的形容词比较级

Here was a greater fertility and greater abandonment.
这里更加丰饶，更加放纵。

The old administration system is under greater and greater challenge.
旧的行政管理体制正受到越来越大的挑战。

The greater the mass of a body, the greater is its inertia.
物体的质量越大，它的惯性就越大。

You inspire me to greater efforts.
你激励我更加努力。

The rougher the surface, the greater the friction.
物体表面越粗糙，产生的摩擦力越大。

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