单词	连环相撞
释义	连环相撞 chain collision相撞
随便看	existence of positive solution Existence of positive stationary solutions existence of problem existence of qi existence of solution existence of solutions EXISTENCE OF TANGENT PLANES OF A SURFACE existence of the concrete Existence of the ghost Existence of the life existence of the problem existence of the solution existence or nonexistence existence paradox existence patterns of sulphur existence perplexities existence philosophy existence precedes essence existence predicament existence presupposition existence principles existence probability existence probability map existence problem Existence problems