light materials的用法和樣例：
例句
- One of the project's goals was to reduce the total weight of the car, by making extensive use of lightweight materials.
其中該項目的目標是減少總重量車通過廣泛採用輕質材料。 - The spy believes Volkswagen will make more use of lightweight materials this time around, meaning the bigger body may not translate into more weight.
該間諜認為大眾將更多地利用輕質材料圍繞這一時間，這意味著更大的身體可能不會轉化為更多的體重。
