supporting mobile structures的用法和樣例：
例句
- Application to simple engineering structures such as rods, shafts, beams, and trusses.
在簡單工程學架構的應用，比如標尺，軸，橫樑和構架支撐。 - By cooperating in specific areas through the United Nations,States build the structures that make international life possible.
各國通過聯合國在具體領域合作，建設能規範國際生活的構架。
