复数： rudders

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Her prosthetic fin acts like a rudder and keeps her stable .

她的仿生鳍就像个舵，用来保持平衡。

Others blame a twist in the rudder : the policymakers who steer the economy are distracted and divided , preoccupied with this year 's handover of power , which is not going as smoothly as hoped .

其他人则指责这是因为发展方针的歪曲：经济政策的舵手们忙乱而孤立，他们全神贯注于今年的权力移交，这并没有像人们希望的那样顺利进行。

The first recorded use of rudder technology in the west was in 1180 .

使用船舵技术的最早记录在西方是在1180年。

It produces lift and functions as both a pitch elevator and yaw rudder .

它能提供升力，兼作升降舵和方向舵。

Though the new rudder was fitted at tremendous speed , it was impossible for the cutty sark to win .

尽管换装新舵时分秒必争，但“卡蒂萨克”号已经不可能取胜了，