Pearl screamed as she was pushed to join two assistants, powerless to reach the alarm button below the counter.

珀尔吓得失声尖叫，劫匪逼迫她跟两个店员站到一起，大家都没办法够到柜台底下的报警器按钮。

Pearl shell button;

珍珠贝壳钮扣；

We can produce all kind of button like circular button, corn, bump nail, metal pearl, button bottom with the material of iron, copper, stainless steel, alloy.

能生产各种不锈钢、铜、铁、合金等材料的圆形扣、鸡眼、撞钉．钮底、平珠和钮扣配套的辅料产品。

Mother-of-pearl, metal, or ceramics are other types of button for Mens suit.

珍珠母，金属，陶瓷也是西装纽扣的一些类型。