翻译
  • 简明

  • perfect tense

    释义

    • 完成时态

  • 实用场景例句

    • 全部

    Sum up the new vocabulary in this Unit, and Present Perfect Tense.

    明确本单元所学的词汇和语法,增强他们正确操作的能力.

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    Learn to express something with Past Perfect Tense.

    学会描述过去所发生的事情.

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  • 英英释义

    Noun

    • 1. a tense of verbs used in describing action that has been completed (sometimes regarded as perfective aspect)
  • 释义
  • 实用场景例句
  • 英英释义