1 a small round piece of wood, glass or plastic with a hole in the middle for putting a string through to make jewellery, etc （有孔的）小珠子

2 beads [pl] a circular piece of jewellery (a necklace) made of beads 串珠项链 ☞picture at jewellery 见 jewellery 插图

3 a drop of liquid （液体的）一滴: There were beads of sweat on his forehead. 他额头上有许多汗珠。