英语词汇certain claim怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

1
Scientists claim to have identified chemicals produced by certain plants which have powerful cancer-fighting properties.
科学家们声称已经发现某些植物产生的化学物质有强大的抗癌功能。
《柯林斯英汉双解大词典》
2
They claim the books helped them come up to speed on certain technologies very quickly.
他们声称这些书能够帮助他们非常快速地掌握某些技术。
3
Worse still, it isn’t certain that all carbon offset schemes actually mop up the carbon dioxide they claim to.
更糟糕的是，并非所有的碳抵消计划都能象他们宣称的那样真正地结束二氧化碳的排放。

单词	certain claim
释义	certain claim 简明释义确实要求：指一个明确的主张或要求，没有任何疑问或不确定性。双语例句 1 Scientists claim to have identified chemicals produced by certain plants which have powerful cancer-fighting properties. 科学家们声称已经发现某些植物产生的化学物质有强大的抗癌功能。《柯林斯英汉双解大词典》 2 They claim the books helped them come up to speed on certain technologies very quickly. 他们声称这些书能够帮助他们非常快速地掌握某些技术。 3 Worse still, it isn’t certain that all carbon offset schemes actually mop up the carbon dioxide they claim to. 更糟糕的是，并非所有的碳抵消计划都能象他们宣称的那样真正地结束二氧化碳的排放。
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