The bad: The Sound ID 300 has really small buttons, and we would've liked an additional volume key.

坏：编号300的声音真的小按钮，我们会一直喜欢一个额外的音量键。

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She thrust the volume into the desk, turned the key, and burst out crying with shame and vexation.

她把那本书用力推进书桌，转动钥匙，又羞又恼地哭了起来。

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The key to forming a black hole is cramming enough mass or energy into a small enough volume as happens when a massive star collapses.

形成黑洞的关键环节，就是要像脉冲星崩溃时出现的情况一样，把足够大的质量或能量压缩到足够小的体积。

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Beyond data volume, a key concern was data integration of structured and unstructured data.

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Bonding fabrics with neoprene was an important technique last month at designers' fashion shows for fall 2013, in which volume was a key concept.

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As for its hard key layout, all of those buttons (volume, power and dedicated camera key) reside on the right, with nothing but a 3.5mm headphone jack up top and microUSB port at its base.

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