double-ended cord

例句：

1. 1. The engineer used a double-ended cord to connect the two machines together.
   工程师用一根双头线将两台机器连接起来。
2. 2. She wrapped her gift with a double-ended cord for extra security.
   她用一根双头线包装礼物，以增加安全性。
3. 3. The carpenter used double-ended cord to secure the wooden planks together.
   木匠用一根双头线将木板固定在一起。