launch balloon

n.发射气球

latterly, lattice, lattice window, laud, laudable, laudably, laudanum, laudatory, laugh, laugh at, laugh off, laugh over, laughable, laughably, laughing, laughing-gas, laughing-stock, laughingly, laughter, launch, launch out, launching pad (also `launch pad), launder, launderette (also laundrette), laundress, laundromat, laundry, Laureate, laurel, lav, lava, lavatory, lavender, lavender-water, laver, lavish, lavishly, law, law agent, Law Lord,