教研

教研	jiào yán	teaching and research (abbr. for 教学研究)
教	Jiào	surname Jiao
教	jiāo	to teach; to instruct
教	jiào	(bound form) to teach; to instruct / a religion / to cause (sb to do sth); to tell (sb to do sth)
研	yán	to grind / study / research