ripcord

noun

1. （降落伞的）开伞索
   the string that you pull to open a parachute

1. (降落伞的)开伞索
   A ripcord is the cord that you pull to open a parachute.

1. Performing acrobatics in free fall before pulling the ripcord of a parachute.
   在拉紧降落伞绳索之前表演杂技。
2. Its ripcord can be attached to heavy furniture or a special hook so that the parachute opens automatically after its wearer jumps out a window.
   降落伞的开伞索可以绑在重家具或是特制的钩子上，带上这种降落伞的人一旦跳出窗外，降落伞便会自动打开。

noun

1. a cord that is pulled to open a parachute from its pack during a descent

2. a cord that is pulled to open the gasbag of a balloon wide enough to release gas and so causes the balloon to descend