pelosine

例句：

1. 1. The pearl oyster is a type of mollusk that produces pearls.
   珍珠牡蛎是一种产生珍珠的贝类。
2. 2. The pearl was carefully polished to reveal its natural luster.
   这颗珍珠被仔细打磨，以展现其天然光泽。
3. 3. The pearl industry has been expanding rapidly in recent years.
   近年来，珍珠行业迅速扩张。