to mend broken ends of the yarn

• 接头

to mend broken ends of the yarn的用法和样例：

例句

1. The joints of the wood were overlapped and cramped.
   这些木头的接头处被叠在一起，用铁箍固定。
2. Connect the flexble joint to the riser.
   连接隔水管与挠性接头。