“成圈状”可以翻译为“in a circular/loop-shaped form” 或者更简洁地表达为 “in a loop” 或 “in a circular pattern” ,具体使用可根据语境调整。例如:
The wire was bent in a circular form.(铁丝被弯成了圈状 。)
The vines grew in a loop around the tree trunk.(藤蔓绕着树干成圈状生长。)
The birds were flying in a circular pattern above us.(鸟儿在我们头顶上成圈状飞翔 。)