laver

n.层，阶层

laughing-gas, laughing-stock, laughingly, laughter, launch, launch balloon, launch out, launching pad (also `launch pad), launder, launderette (also laundrette), laundress, laundromat, laundry, Laureate, laurel, lav, lava, lavatory, lavender, lavender-water, lavish, lavishly, law, law agent, Law Lord, law-abiding, law-breaker, lawbreaking, lawcourt (also court of law), lawful, lawfully, lawgiver, lawless, lawlessly, lawlessness, lawmaker, lawn, lawn mower, lawn tennis, lawn-mower,