A four-syllable word with first syllable stress with that AA vowel there: caa- caa- cate- cate- categories. Categories.

个四音词，第个音音是 AA 元音：caa- caa- cat- cat- categories。

You noticed I said: " category" , because I have four cate-...four, four categories on the board, here.

“种类”，因为我有四个… … 黑板上列举了四类。