two-ply yarn

例句：

1. 1. This fabric is made from two-ply yarn.
   这种布料是用双层纱线制成的。
2. 2. The two-ply yarn is strong and durable.
   这种双层纱线既坚固又耐用。
3. 3. We used two-ply yarn to make our own scarves.
   我们用双层纱线自己制作了围巾。