She was a brilliant Ph.D. student of mine and she had two dogs.

她是一个非常聪明的博士生,她有两条狗。

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So, "Dogs" and "Complained" are one word, but two morphemes and what this means is that you make the word by putting together two morphemes.

因此,"狗狗们"和"抱怨的",都是由两个语素组成的单一词,这也就意味着,你将两个语素组合在一起成为了一个词

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