德国男人给牛仔裤充气 以便在海上生存三个小时

yachtsman – n. a man who owns or sails a yacht

jeans – n. pants made of a strong cloth (called denim)

yacht – n. a large boat that is used for racing or pleasure

knot – n. a part that forms when you tie a piece of rope, string, fabric, etc., to itself or to something else

boom – n. a long pole connected to the bottom of a sailboat's sail

life jacket – n. an inflatable device for keeping a person afloat in water