Also, because the molecular motion of a gas depends on temperature, at the low temperatures of the Jovian planets even the lightest gases are unlikely to acquire the speed needed to escape.

此外，由于气体的分子运动依赖于温度，在木星行星的低温下，即使是最轻的气体也不可能获得逃逸所需的速度。

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One of the most difficult skills to acquire in a foreign language is the ability to understand the natural language spoken by native speakers at a normal speed.

一门外国语最难掌握的一项技巧就是听懂母语讲话人用正常速度所说的自然语言的能力。

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In order to acquire image, a kind of high-speed computer interface supporting long time and high throughput data transferring is needed.

要对图像进行采集就需要一种高速的，能进行长时间、大吞吐量数据传送的计算机接口。

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Instead, companies will acquire or look for collaborative ventures because of skill, scale, and speed.

FORBES: Online Group Buying's Need For Speed