详细解释:n. 舵, 方向舵, 指导原则
英语解释：
名词 rudder:
a hinged vertical airfoil mounted at the tail of an aircraft and used to make horizontal course changes(nautical) steering mechanism consisting of a hinged vertical plate mounted at the stern of a vessel例句：
Some tried to stop up the leaks while others tried to steady the rudder.有些人设法堵漏洞，另一些人设法掌稳船舵。