七出的英文：
seven types of grounds for a husband to cast off his wife and send her back to her parents in feudal laws;see example

seven是什么意思：
num. 七
n. 七，七个

Seven is my lucky number.
七是我的幸运数字.

Please awaken me at seven.
请于7点唤醒我。

It has grown in the past seven years.
在过去七年中，它已经增长了。

types是什么意思：
n. 类型；典型；模范；代表；字体；铅字，活字
v. 打字；按类型把…归类；测定（血）型

You must specify the MIME type to be used for this file type.
必须指定此文件类型所使用的MIME类型。

The type of skirt is all the go.
这种裙子很时髦。

Other Types of Research
其他类型的研究

grounds是什么意思：
n. 地面，土地
v. 着陆， 打基础
adj. 磨平的，磨碎的

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。