This module defines a cornucopia of assertion methods, but rather than being extended, Ruby's TestCase class includes the assertion as a mix-in.

这个模块定义了许多断言方法，但是Ruby不对这个模块进行扩展，Ruby的testcase类以mix - in的形式包含assertion。

youdao

Each Person object will eventually be wrapped by an instance of the PersonViewModel class, enabling it to have extended semantics, such as being expanded and selected.

每个Person对象最终被包装到一个PersonViewModel类的实例中，这样就让它拥有了额外的能力，比如被展开和选中。

youdao

I'm the secretary of learning ministry. I'm going to be a sophomore next semester. I live in an extended family, 4 class, 09. Being a monitor made who I am, full of ability and responsibility.

我是这一届学习部部长邬啦，来自于09级四班，在这个大家庭中已经一年的班长经历锻炼了我的能力与责任。

youdao

I'm the secretary of learning ministry. I'm going to be a sophomore next semester. I live in an extended family, 4 class, 09. Being a monitor made who I am, full of ability and responsibility.

我是这一届学习部部长邬啦，来自于09级四班，在这个大家庭中已经一年的班长经历锻炼了我的能力与责任。

youdao