不正确的答案 meaning in English

an incorrect answer

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你不以为不正确的答案而失分，因此即使你不确定也要用猜的。
So why none of us noticed that there had never been such an animal and how could we expect good marks for the incorrect answers
我们都未注意到过去从未有这样一个动物，我们怎能期望不正确的答案有好的分数呢？