saltation
名词 saltation:
(geology) the leaping movement of sand or soil particles as they are transported in a fluid medium over an uneven surface
a mutation that drastically changes the phenotype of an organism or species
an abrupt transition
taking a series of rhythmical steps (and movements) in time to music
同义词:dancing, dance, terpsichore
a light, self-propelled movement upwards or forwards
同义词:leap, leaping, spring, bound, bounce