plastic bead
美 英
例句
A tubular glass or plastic bead used to trim clothing .
用来装饰衣服的管状玻璃或塑料珠子。
Did you ever imagine that you can use light to move a microscopic plastic bead?
想过可以用光来移动微小的塑胶珠子吗?
A paper clip (or large plastic bead)
回形针(或大的有洞的珠子)