演说者举臂，捶桌，顿足以表达他的意思。

The speaker gesticulated by raising his arms, pounding the desk, and stamping his foot.

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终于，周末在阳光明媚中过去了，禁不住举臂高呼：上班真好！

Finally, this weekend passed with the nice and bright sunshine. I couldn't help Shouting with arm raised: it's good to go to office!

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因为电脑包通常有手柄，这对于锻炼屈臂、侧举、或是单臂弯曲非常有好处。

Because computer bags usually have handles, these can be great for exercises like bicep curls, lateral raises or one-armed rows.

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