词典词库拼词范例测验

retained 中文

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US
保留 (retain的过去式和过去分词)
  • 动词 (Verb)BFretainSGretainsPRretainingPREré-
    1. simple past tense and past participle of retain.
    2. 更多范例
      1. 用于句中
        • These blood-pool contrast agents theoretically lead to enhancement restricted to structures with an increased microvascularization and are not retained in the fibrous tissue [19 ].
        • The calcein stain was retained over an annual cycle comprising multiple moults, demonstrating that pterocardiac ossicles retain chronological information.
        • Unpolished grains that retained their outer coating were a major lynchpin of his 'whole foods'-based diet.

    Meaning of retained for the defined word.

    在语法上,这个单字"retained"是一个动词,更具体地来说,是一个动词形态
    • 词类阶层 (Part-of-Speech Hierarchy)
      1. 动词
        • 动词形态
          • 分词
            • 过去分词
            • 动词简单过去形态
        困难度: 级别 1
        12345678910
        容易     ➨     困难
        明确性: 级别 1
        12345678910
        明确的    ➨     多用途
        相关连结:
        1. en retained mode
        0.118