He jumps as high as Jack.

他跳得跟杰克一样高。

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Jack once served in the army after high school.

杰克高中毕业后曾在军队服役 。

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Jack Gleeson, 17, a high school student working a summer job at the airport, caught up to Schum and, with Bochter's help, hoisted the chain-link fence and brought Brillo underneath it.

在机场打暑期工的17岁高中生杰克·格里森紧随舒姆赶到现场。在波切特的帮助下，他抬起了铁丝网围栏，从下面把布里洛带了出去。

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A little bit later's day, i will be speaking to high school students in an organization called Jack & Jill.

数天后，我将与一个名为,“Jack，&，Jill”组织里的,高中生进行了交流。

普林斯顿公开课 - 领导能力简介课程节选

Interviewers include Buchanan, Armen Alchian, Jack High, Axel Leijonhufvud and Robert Bork.

FORBES: Conversations with Friedrich Hayek

High schooler Jack Weppler may have an embarrassing Google Image search result page for the rest of his life, thanks to an angry ex-girlfriend.

FORBES: Google vs. Facebook For Control of Your Reputation

Former Justice Secretary Jack Straw has mounted a high-profile campaign against what he says is the large increase in dubious whiplash claims, tabling a private member's bill in 2011 urging reform of motor insurance.

BBC: UK Politics