escape velocity

speed at which a spacecraft, etc must travel in order to leave the gravitational field of a planet, etc 逃逸速度（宇宙飞船等克服星球引力的速度）.

erroneous, erroneously, error, ersatz, erudite, eruditely, erudition, erupt, eruption, Erving Goffman, erysipelas, ESA, escalate, escalation, escalator, escalope, Escalopia, escapade, escape, escape clause (also get-out clause), escape-hatch, escapee, escapement, escapism, escapist, escapologist, escapology, escarole, escarpment, eschatology, eschew, escort, escritoire, escutcheon, Eskimo, ESL, ESN, esophagus, esoteric, esoterica,