同卵

同卵	tóng luǎn	(of twins) identical / monozygotic
同	tóng	like / same / similar / together / alike / with
同	tòng	used in 胡同
同	tòng	used in 胡同
卵	luǎn	egg; ovum; spawn / (coll.) testicles / (old) penis / (expletive) fucking