夹层

夹层	jiā céng	hollow layer between two solid layers / (architecture) mezzanine
夹	jiā	to press from either side / to place in between / to sandwich / to carry sth under armpit / wedged between / between / to intersperse / to mix / to mingle / clip / folder / Taiwan pr. [jia2]
夹	jiá	double-layered (quilt); lined (garment)
夹	jià	Taiwan pr. used in 夹生 and 夹竹桃
夹	jiá	variant of 夹
层	céng	to pile on top of one another / layer; stratum / floor (of a building); story / (math.) sheaf / classifier for layers