常见例句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種貨幣形式是借用印第安人的貝殼數珠，一種蚌殼磨成的黑白珠子。 返回 beads-counting