place upon的用法和样例：
例句
- A sudden and severe strain was placed upon us by the cutting off of these supplies.
由于供给突然被切断，我们感到了沉重的压力。 - An ornamental marble carving or bronze casting depicting a group of weapons or armor placed upon a square or circular base.
战利品雕饰置于一正方形或圆形底座之上的，图形为一堆武器或盔甲的装饰性大理石石雕或铜雕
