locomotive

n.火车头；机车

loch, loci, lock, lock oneself in, lock out, lock-gate, lock-keeper, lock-nut, lock-out, lock-stitch, lock-up, lockable, locker, locker-room, locket, lockjaw, lockout, locksmith, loco, locomotion, locum, locus, locus classicus, locust, locution, lode, lodestar (also loadstar), lodestone, lodge, lodgement (also lodgment), lodger, lodging, lodging-house, loess, loft, lofted, loftily, loftiness, lofty, log,