circumflex branch

例句：

1. 1.The engineer used a circumflexbranch to connect the two pieces of woodtogether.
   工程师用一个圆括号分支将两块木板连接在一起。
2. 2. The tree had severalcircumflex branches that provided shadefor the birds.
   这棵树有几个圆括号分支，为鸟儿提供了阴凉。
3. 3. The scientiststudied the circumflex branches ofthe plant to understand its growth patterns.
   科学家研究了这种植物的圆括号分支，以了解其生长模式。