他补充说，类似的系统可以舒缓全球各地帆船水手孤单扛负的紧张压力。
A similar system might ease the pressure on the solitary round-the-world yachtsmen, he adds.
如果活动龙骨不带负重，例如许多小型帆船使用的玻璃纤维活动龙骨，那么水手们必须通过将他们自己的体重压在船只的逆风侧来保持船只直立。
If the centerboard is not weighted, like the fiberglass centerboards of many small sailboats, then sailors must keep the boat upright by positioning their own weight on the upwind side of the boat.
水手们怕帆船会从地球上掉下去。
Sailors were afraid that they might sail right off the earth.
安全要求所有驾驶帆船的水手必须经过专业的指导，下水驾驶帆船必须穿上经过认证的救生衣，并保证有其它足够的救生措施。
All the sailors have been driving sailboat professional guidance into driving sailboat must wear certified life jackets and life-saving measures to ensure that there is sufficient other.
一条名叫“银姑”的纵帆船的船主正招雇水手，打算航行到中国去。
The owner of a schooner called the Silver Maid was signing up sailors for a voyage to China.
中国水手在日前在青岛举行的国际帆船赛上发挥稳定，在开赛前三天成功保持冠军地位。
Chinese sailors are steadily improving their performances at the ongoing Qingdao International Regatta while defending champions have made their marks on Day three.
中国水手在日前在青岛举行的国际帆船赛上发挥稳定，在开赛前三天成功保持冠军地位。
Chinese sailors are steadily improving their performances at the ongoing Qingdao International Regatta while defending champions have made their marks on Day three.
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