moulding of head

例句：

1. 1.The carpenter is using a moulding to shape the wood.
   木匠正在用一个模具来塑造木材。
2. 2. The engineerdesigned the moulding for the newbuilding.
   工程师为新建筑设计了模具。
3. 3.The moulding was made from high-quality plastic.
   这个模具是用高质量的塑料制成的。