spring up

涌现；发生；迅速长出

sprain, sprang, sprat, sprawl, spray, spray-gun, spread, spread eagle, spread out, spread-eagle, spreadsheet, spree, sprig, sprightliness, sprightly, spring, spring balance, spring chicken, spring greens, spring onion, spring-clean, spring-tide, springboard, springbok, springiness, springtide, springtime, springy, sprinkle, sprinkler, sprinkling, sprint, sprinter, sprite, sprocket, sprout, spruce, sprucely, spruceness, sprung,