AABC is a fixed word structure, not a sentence. AABC stands for a four-word word. The first word is the same as the second word, and the third word is different from the fourth.

For example:? Hungry, polite, step-by-step, full of vitality, triumphant, natural and graceful, with relish, orderly, personable and so on.

Words are the combined names of words and languages, including words, phrases and the whole vocabulary, and words constitute the smallest word structure of sentence articles. A word is the smallest sentence-making unit composed of morphemes. Words can be divided into 2 words, 3 words and 4 words, but please note that words are not idioms.

Extended data

Words are divided into many categories, such as ABB, AABC, ABAB and ABAC.

1, ABB: heavy, shiny, green, black, slow, gloomy, wrinkled, shiny, smiling, silly.

2, AABB idiom: keep talking, intermittent, broad, sparse, trivial, loose, dense, cold, coming and going.

3. AABC idioms: distant, empty, haggle over every ounce, delicate and touching, unforgettable, out of place, late, endless, thriving, whispering.

4.ABCC idioms: triumph, escape, radiant, energetic, lifeless, cautious, worried, murderous, far away, white-haired.

5.ABAC idioms: complete, perfect, ambiguous, single-minded, boundless, unknown, soliloquize, lawless and ambiguous.