基本词的英文怎么说

基本词的英文：
primary word

primary feather
初级飞羽

A primary feather of a bird.
翅前羽鸟的初级飞羽

The Democratic primary was held this month.
民主党候选人初选于本月举行。

These are created by combining the primary.
这些颜色通过混合原色形成。

This should be your primary concern!
这一点是首先需要留心的。

There is an
在apple这个词中有一个字母A。

This is a derivative word.
这是一个衍生词。

This is an informal word.
这是一种口语用语。

Bitter words and good acupuncture—to advise with faithful words.
苦语针砭。

The German word `Haus' is cognate with the English word `house'.
德语的haus一词和英语的house一词同源.