Do jumping jacks. Try a few sets right in your room.
可以做分腿跳。在你的房间做上几组。
Read a question sitting down, then stand and do ten jumping jacks.
坐下来读题目，然后站起来跳十次。
Young people, after all, cannot become jacks-of-all-trades.
毕竟，年轻人并不能称为“万能博士”。
Be comfortable, loosen up. I always do jumping-jacks before I… I shoot my videos. Good.
不要拘束，放松点。我一般先做几次杰克跳，然后再开始录视频。很好。
Did you hear Jacks talk on Tuesday?
你听过杰克周二的谈话吗？
The Jacks came to see me yesterday.
杰克一家人昨天来看我。
A study on the Chinese Ormosia Jacks.
标题中国红豆属的研究。
And is that a box of Cracker Jacks sitting on the side table?
那是一盒玉米花生糖放在桌边吗？
And is that a box of Cracker Jacks sitting on the side table?
那是一盒玉米花生糖放在桌边吗？
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