ply
英 [pla?]美[pla?]
- vt. 使用，不住地使用；折，彎；從事
- vi. 辛勤工作；定期地來往（船、車等）
- n. 厚度；板層；褶
英英釋意
- 1. one of the strands twisted together to make yarn or rope or thread; often used in combination;
- "three-ply cord"
- "four-ply yarn"
- 2. (usually in combinations) one of several layers of cloth or paper or wood as in plywood