一艘接着一艘，船队用绳条系好，在有珍珠牡蛎的海床边停靠。
One by one, the boats break off to settle by withies that mark the pearl-oyster beds.
我怎样做才能算是从燃烧的牡蛎中取出珍珠？
这种牡蛎在培植珍珠的过程中是非常脆弱的，这也是培植珍珠成本昂贵的原因。
This oyster is very sensitive to the pearl culturing process, which makes the pearls very costly to produce.
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