额外功是并非我们需要但又不得不额外做的功，额外功加有用功就是总功
双语例句原声例句
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但是，我还想添加某些额外功能性。
But, there is some additional functionality I'd like to add.
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信号通过天线与额外功率能够传输很长的距离。
An antenna and extra power allow the signal to be transmitted over long distances.
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Pidgin还支持插件，方便添加额外功能。
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get back to the initial point is going to require some input from outside, like heat or extra work or extra heat or something because you've done an irreversible process.
如果要逆转它,回到初始点，就需要外界的投入，比如额外的功，额外的热量等等,因为你进行了一个不可逆过程。
应用推荐
$firstVoiceSent
- 来自原声例句