第一: first; primary; foremost; fi ...连杆: link; connecting rod; perch; ...的: 4次方是 The fourth power of 2 i ...方向: direction; orientation第一连杆的对象: first link第一连接: first connect带连杆的曲柄: slot and crank连杆的叉形端: fork end of connecting rod大端；连杆的曲柄头: big end爱的方向: let love lead the way变新的方向: facing波的方向: wave direction; wave line of propagation朝…的方向: in …direction=in direction of朝东的方向: in an easterly direction朝海的方向: seawards抽查的方向: direction of testing祷告的方向: direction of prayer电流的方向: sense of current光的方向: direction of light横的方向: widthwise后天的方向: a direction of the day after tomorrow; asatte no houkou; asatteno力的方向: direction of force捻绳的方向: lay球的方向: direction of bowl曲线的方向: direction of curve
