bowline

noun

1. 帆脚索；张帆索
   a rope that attaches one side of a sail to the bow of a boat

1. The bowline has worked loose on me during long routes, however the'improved bowline'is something I use when I am sport climbing and falling off is more frequent.
   称人结在我爬长路线曾经松开，而爬短路线且很常坠落时我会用改良版称人结。
2. They're called bowline knots.
   他们称之为单套结。
3. He can tie a bowline.
   他能系帆角索。
4. Double bowline is used by many climbers as their primary knot.
   双布林结通常是攀登者最初使用的绳结。

noun

1. a loop knot that neither slips nor jams

   Synonym:    bowline knot