由于准备不足,他们在考试中表现不佳。

They performed poorly in the exam because they were under-prepared.

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They performed poorly in the exam because they were under-prepared.

under-prepared 是由前缀 under-(表示"不足、不够")和形容词 prepared(准备好的)组成的复合形容词。under-prepared 意思是"准备不足的",指没有做好充分的准备。

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