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1·With the possibility that the edge of the pack was nearby, work on the construction of a jury rudder began.

有可能背包的边缘就在附近，于是建造应急舵的工作就开始了。

2·My three crew members jury-rigged a replacement, more of a steering oar than a rudder, but in fact the four daggerboards suddenly proved their worth.

我的三名船员想出了应急的办法，他们做的与其说是船舵不如说是一块钢质的船桨，这时四块活动披水板突然派上了用场。