Standing jump-up is very important for some sports items. The motive force for jump-up is the supporting resistant force from ground to the suporter, no other source exists.

原地起跳对许多运动项目都很重要．原地起跳所借助的推动力，就是地面对人体产生的支承反力，离此别无他途。

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Elop said Nokia (NOK) was like a person standing on a burning platform and would have to jump into icy water to save itself.

埃洛普称，诺基亚公司就像一个人，站在熊熊燃烧的平台上，为了自救，唯一的选择就是跳进刺骨的冰水中。

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It is not a cartoon. We are not standing at a lectern voicing it. We had to do it so every jump and smash and roll and smirk and glimmer and kiss we did.

VOA: standard.2009.12.19

On the playground one morning, one boy was standing precariously on a swing, saying he was going to jump.

WSJ: Teaching Kids to Give Themselves a Timeout

"We'd come out for the jump ball, and walking toward center court everybody is standing up and stomping their feet like 10, 000 kettle drums, " said Roosevelt Bouie, the team's leading scorer that season and with Louis Orr the cornerstone of Boeheim's first seasons as head coach.

WSJ: Hoyas set for last Big East visit to Carrier Dome

To qualify for the complimentary service, active military members must have an account in good standing and provide the carrier with deployment verification -- that's it, no other hoops to jump through.

ENGADGET: Confirmed: AT&T offers complimentary unlock of in-contract iPhones for deployed military personnel