We build what's called a component, which is a sort of controller helper, and this component will process the text.

我们将构建的内容称为组件，它是一种控制器助手，并且此组件将处理文本。

youdao

Once you start to use these helper frameworks to write tests, these tests start to become higher level ones that I tend to categorize as component tests.

一旦开始使用这些帮助框架来编写测试，这些测试就开始成为更高级别的测试，我把它们归类为组件测试。

youdao

The helper method then checks to see if the component is a required field, and if so it outputs an asterisk.

然后帮助器方法会检查组件是不是必需的字段，如果是，就输出星号。

youdao

"The initial program installed itself as a browser helper object (BHO) for Internet Explorer that downloaded a component from childhe.com and attempted to trick the victim into installing a fake anti-virus scanner from bestantispyware securityscan.com and protectionsoft warecheck.com, " he explained.

BBC: Hackers website