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    经过反复试验 (jīngguò fǎnfù shìyàn - after repeated experiments)

    Grammar & Usage

    fixed expression
    neutral

    How it works

    This phrase functions as an adverbial phrase, indicating the method or process by which an outcome was achieved. '经过' (jīngguò) means 'to pass through' or 'after,' introducing a process, while '反复试验' (fǎnfù shìyàn) means 'repeated experiments/trials.' It typically precedes the main verb or clause of a sentence.

    Sample sentences

    经过反复试验，科学家们终于找到了治疗癌症的新方法。

    After repeated experiments, scientists finally found a new method for treating cancer.

    这个配方是经过反复试验才得以完善的。

    This formula was perfected only after repeated trials.

    产品的功能经过反复试验，确保了其稳定性和可靠性。

    The product's functions were ensured for stability and reliability after repeated testing.

    Quick facts

    structure:Verb (经过) + Adjective (反复) + Noun (试验)
    idiomatic_usage:Often used to emphasize the effort and thoroughness involved in reaching a conclusion or perfecting something.

    Mnemonic

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    Example

    经过反复试验，科学家们终于找到了治疗癌症的新方法。

    After repeated experiments, scientists finally found a new method for treating cancer.

    这个配方是经过反复试验才得以完善的。

    This formula was perfected only after repeated trials.

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