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bound (plural bounds)A sizeable jump, great leap. The deer crossed the stream in a single bound. Derived termsby leaps and bounds Translationssizeable jumpboundingto bound To leap, move by jumping. The rabbit bounded down the lane. Derived termsrebound Translationsto leapto jump(intransitive) To propel oneself rapidly upward such that momentum causes the body to become airborne. The boy jumped over a fence. (intransitive) To cause oneself to leave an elevated location and fall downward. (intransitive) To employ a parachute to leave an aircraft or elevated location. (intransitive) To react to a sudden, often unexpected, stimulus (such as a sharp prick or a loud sound) by jerking the body violently. 综上，表示跳跃的意思时bound与leap同义，指大幅度的跳跃，且在方向上应以横向移动为主。jump是跳的总称，方向、力度不受限制，也可以往上、也可以往下跳。
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边界 boundary, border 界 world, boundary, circles, border, bound, kingdom界限 limit, boundary, circumscription, end边 side, edge, rim, border, margin, boundary境界 realm, state, boundary, border, ambit境 territory, border, boundary, condition, situation, area疆界 border, boundary, frontier, limit, abutment, butting线 line, wire, thread, route, string, filament边际 boundary, limit, border, bound, bourn, bourne疆 border, boundary, frontier, butting, abutment, confine垓 boundary际 border, boundary, edge, interval
