• 2021-04-14
    a. held or done by two or more persons together
  • joint

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      . The fingerprints of no two persons are ______.

    • 1

      A-frames and cylinder block is held together by _____ to form a rigid structure.

    • 2

      Helical backbone is held together by _____ between the nearby backbone amides.

    • 3

      I think a family is a group of people held together by bonds of _____.

    • 4

      要一个两人的座位 A: a table for two B: a seat for two persons