plus material

例句：

1. 1. We need to add some extra material to the project to meet the deadline.
   我们需要在项目中加入一些额外的材料来满足截止日期。
2. 2. The new product comes with an additional material that makes it more durable.
   这款新产品附带了额外的材料，使其更耐用。
3. 3. The engineer used a combination of materials to build the bridge, including plus material.
   工程师使用了包括额外材料的混合物来建造这座桥。