• 2021-04-14 问题

    The emergence of the helicopter has brought about the great advances in infantry mobility.

    The emergence of the helicopter has brought about the great advances in infantry mobility.

  • 2021-04-14 问题

    Infant“婴儿”和infantry“步兵”来源于同一个拉丁语单词,字面意思是“不会说话的人”

    Infant“婴儿”和infantry“步兵”来源于同一个拉丁语单词,字面意思是“不会说话的人”

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