arch
/ɑrʧ/
a curved shape in the vertical plane that spans an opening
中文释义：拱；拱门；拱形结构
The ancient Roman aqueduct featured a series of stone arches.
古罗马高架渠以一系列石拱为特色。
The arch of the bridge was designed to withstand heavy loads.
桥拱的设计旨在承受重载。
/ɑrʧ/
a curved shape in the vertical plane that spans an opening
中文释义：拱；拱门；拱形结构
The ancient Roman aqueduct featured a series of stone arches.
古罗马高架渠以一系列石拱为特色。
The arch of the bridge was designed to withstand heavy loads.
桥拱的设计旨在承受重载。