船底凹度:船底的弯曲程度。 Sheet: A rope used to control the angle of the sail to wind. 缭绳,绳索: ⼀种⽤于控制帆与⻛的⻆度的绳索。 SOG: Speed over the Ground. 对地速度:船只相对于陆地的航⾏速度。 Spinnaker: A balloon-shaped sail used downwind. 球帆: ⼀种在顺⻛航⾏时使⽤的球状帆。 Spring tides: The period in a month when the tidal range is greatest. ⼤潮:每个⽉潮差最⼤的时间段。
Tack (noun): The side of the boat opposite the boom, usually the side the wind is coming from, i.e. port tack or starboard tack.
航⾏舷侧(名词): 与帆杆相对的船侧,通常指⻛吹来的那⼀边,即左舷航⾏或右舷 航⾏。
Tack (verb): Turning the boat so that the wind blows from the opposite side, facing upwind.
迎⻛转向(动词):在迎⻛航⾏时,将船转到另⼀侧航⾏,即⻛从船的另⼀侧吹来。 Tell tale: Wool or lightweight tape used to detect airflow. ⽓流线:⽤绒线或较轻带⼦制成,⽤于指示⽓流的状态。 Tidal Range: The difference between high and low water. 潮差:最⾼潮与最低潮之间的差值。 Transit: Two fixed objects in line. 参照物:在同⼀直线上的两个固定物体。