对于人工养殖的珍珠而言，它们的核心并不是沙粒，而是像小塑料珠或小玻璃珠之类的物体。 珍珠养殖者把这些小东西塞到牡蛎中，然后等上一年左右的时间。
Cultured pearls don’t have at their core a grain of sand, but instead arelittle plastic or glass beads or something that pearl farmers stick into theoyster for a year or so.
珍珠棉流水线式我公司研发的新产品，主要用于将含硅中空棉等化纤外观像珍珠一样的球状制品。
Automatic fiber ball Line: The machine can be used to form silicon hollow fiber into balls like pearls, suit for garment, bedding, pillow, stuff toy.
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