lock-keeper

n person in charge of a canal or river lock 河流的水闸管理人.

local call, local colour, local government, local option, local time, locale, locality, localization, localisation, localize, localize, localise, locally, locate, located, location, loch, loci, lock, lock oneself in, lock out, lock-gate, lock-nut, lock-out, lock-stitch, lock-up, lockable, locker, locker-room, locket, lockjaw, lockout, locksmith, loco, locomotion, locomotive, locum, locus, locus classicus, locust, locution, lode,