tenacle

例句：

1. 1. The ship's captain had to tie the rope around the mast to secure it.
   船长不得不把绳子系在桅杆上以固定它。
2. 2.The climber reached the top of the mountain with a tenacious grip on his rope.
   攀岩者用顽强的抓握力爬到了山顶。
3. 3.The logger used a tenacle to pull the log out of the river.
   伐木工人用一根栓子将木头从河里拉出来。