等式

等式	děng shì	an equality / an equation
等	děng	to wait for; to await / by the time; when; till / and so on; etc.; et al. / (bound form) class; rank; grade / (bound form) equal to; same as / (used to end an enumeration) / (literary) (plural suffix attached to a personal pronoun or noun)
式	shì	type / form / pattern / style