有用，指有功用；有用处。一般接在名词后面。例如，食物对动物有用,湿润对植物有用。
双语例句原声例句
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照片可以成为有用的教具。
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这条信息往后也许有用。
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我的手机极为有用。
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These two relations involving entropy are also useful because they'll let us see how entropy depends on volume and pressure.
这两个涉及熵的关系也非常有用,因为他们告诉我们,熵和体积，压强的关系。
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You will find this pattern very useful anytime you're not feeling happy about something and you want to express yourself.
你会发现，当你因为什么事感到低落，你想表达自己的感觉时，这个句型特别有用。
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However, the thing to remember is, when you look at heats of reaction under those conditions it's all well and good.
相反，需要记住，当你需要知道反应中放出的热量时,这些量是很有用的。
应用推荐
$firstVoiceSent
- 来自原声例句