代数式

代数式	dài shù shì	(math.) algebraic expression
代	dài	to be a substitute for; to act on behalf of; to replace; to substitute / generation; dynasty; age; period; (historical) era; (geological) eon
代数	dài shù	algebra
数	shǔ	to count / to count as; to regard as / to enumerate; to list
数	shù	number; figure / several; a few
数	shuò	(literary) frequently; repeatedly
式	shì	type / form / pattern / style