【医】 dacryocystectasia
【医】 dacryocyst; dacryocystis; lacrimal sac; sacculi lacrimalis
saccus lacrimalis; tear sac
dilate; expand; outspread; overspread
【计】 dilatation
【医】 dilatation; dilation; distention; ectasia; ectasis; ectasy; eury-
eurysma; expansion; stretch