An English compound, which is usually made up of two stems, is used as one word in the sense of grammar and meaning.

英语复合词一般由两个词根构成，在语法和语义上都是作为一个词汇单位来讲的。

youdao

Clearly you try to comprehend, in the sense of identifying meanings for individual words and working out relationships between them, drawing on your implicit knowledge of English grammar.

很明显，你会利用英语语法的隐含知识来理解每个单词的意思和找出单词之间的联系。

youdao

Going back to language, think about what you make sense of when people speak: they mumble, break all the rules of grammar, slur words and so on.

再说回到语言，想想人们说话时你的感觉：他们咕哝、打破所有语法规则、吞音等等。

youdao

It, too, is now a piece of grammar, soliciting the same sense of empathy and group membership that LOL does.

CNN: LOL isn't funny anymore