[duò]
[名]
(船、飞机等控制方向的装置) rudder; helm
									
										flank rudder
										倒车舵
									
									
									
										vertical rudder
										方向[垂直]舵
									
									
									
										aerodynamic rudder
										空气动力舵
									
									
									
										balanced rudder
										平衡舵
									
									
									
										elevating rudder
										升降舵
									
									
									
										take [be at] the helm
										掌舵
									
									
									
										Ease the helm!
										回舵!
									
									
									
										Port the helm!
										左舵!
									
									
									
										Starboard the helm!
										转右舵!
									
									
									
										Down [Up] with the helm!
										转舵背[迎]风开!