基本解释数珠同根派生 英汉例句In the American colonies one of the earliest forms of money, borrowed from the Indians, was wampum, black and white polished beads made from clam shells.美洲殖民地最早的一种货币形式是借用印第安人的贝壳数珠，一种蚌壳磨成的黑白珠子。