口吸盤

oral sucker (e.g. on bloodsucking parasite)

mouth / classifier for things with mouths (people, domestic animals, cannons, wells etc) / classifier for bites or mouthfuls

to breathe / to suck in / to absorb / to inhale

suction pad / sucker

plate / dish / tray / board / hard drive (computing) / to build / to coil / to check / to examine / to transfer (property) / to make over / classifier for food: dish, helping / to coil / classifier for coils of wire / classifier for games of chess