Messages consist of a standard header plus optional path information.

消息包含一个标准头部和可选的路径信息。

youdao

The most common use is to include standard header or footer for the page.

通常嵌入的是页面标准的页眉和页脚。

youdao

(We can't just declare open as taking three arguments, because that declaration clashes with the standard header.)

(我们不能由此将open声明为使用3个参数，因为该声明与标准的头部冲突)。

youdao

Those add-ons connect with standard header pins and can take the form of anything from a processor to sensor arrays.

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