languor

n.无精打彩，倦怠

landless, landlocked, landlord, landlubber, landmark, landowner, landscape, landscape gardening, landshape, landslide, landsman, landward, landwards, lane, language, language laboratory, languid, languidly, languish, languishing, languorous, languorously, lank, lankiness, lanky, lanolin (also lanoline), lantern, lantern jaws, lantern-jawed, lanthanide, lanthanum, lanyard, lap, lap-dog, lapel, lapidary, lapis lazuli, lapping, lapse, lapse rate,