Beaufort scale: way of measuring wind strength from force 0 to force 12 蒲福⻛级: 测量0~12级⻛⼒的⽅法
Block: a pulley used for hoisting sails etc. 滑轮: ⼀种⽤于升帆等操作的滑动⼩轮装置
Boom: spar (rigid pole) at the bottom edge of the sail 帆杆: 帆底边的杆件(刚性杆)
Bow: front of the boat 船头: 船的前部
Bowline: useful knot with a loop in it 单套结: ⼀种实⽤的带圈绳结
Buoy: floating object attached to the bottom of the sea – some are for navigation, some are for mooring up to, others are temporary to mark out a race course 浮标: 与海底连接的漂浮物——有的⽤于导航,有的⽤于系泊,其他的则临时⽤于标记航线
Buoyancy aid: helps you to stay afloat if you fall in the water 助浮⾐: 如果你落⽔了,帮助你漂浮在⽔⾯上的装备
Burgee: small flag at the top of the mast to show wind direction 三⻆旗: 桅杆顶端的⼀⾯⼩旗⼦,⽤于指示⻛向
Catamaran: boat with two hulls 双体船: 有两个船体的船
Centreboard: bit that sticks out below the hull to counteract sideways push of the wind and prevent leeway (see also daggerboard). Can be lowered or raised.