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    首页/CEFR/B2/Vocabulary/UK/extension ·noun
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extension ·noun (EXTRA TIME)

Definition: extra time that you are given to do or use something Level: B2

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extension ·noun (TELEPHONE)

Definition: a telephone that is connected to the main telephone in an office or other large building Level: B2

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extension ·noun (DEVELOPMENT)

Definition: something that has developed as a result of something else Level: B2

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