主帆是由真正的篷布手工切割和缝制而成的。
航行中后桅帆基本上就像第二面主帆一样工作。
因此，双桅帆船使用三面主要的帆：与单桅帆船一致的主帆，前帆，以及尾桅帆。
A ketch therefore USES three primary sails: the mainsail and head sail, as on a sloop, plus the mizzen sail aft.
注意，桅杆在船里的位置极为靠前，几乎就在船头上，因此可以有空间装一面帆脚很长的主帆。
Note that the mast is positioned very far forward, almost at the bow, making room for a very long-footed mainsail.
这仍然是一个百慕大帆，但主帆成比例地变大了，而前帆则相应变小，以便于操纵并获得最大动力。
This is still a Bermuda rig, but the mainsail is proportionally larger and the jib smaller, for ease of handling and maximum power.
主帆耷拉着，像一面旗帜。
主帆像一面旗子耷拉着。
我迅速放下三角帆扔到甲板上，但却难以对付主帆。
The jibs I speedily doused and brought tumbling to the deck, but the main-sail was a harder matter.
单桅帆船有一个主帆、三角帆和龙骨但没有船首斜桁的单桅小帆船。
A small sloop with a mainsail, jib, and keel but no bowsprit.
安装于船用圆材上的大三角帆，展开时与主帆相对，当赛艇顺风行驶时使用。
A large triangular sail set on a SPAR that swings out opposite the mainsail, used on racing yachts when running before the wind.
西斯·潘尼·奥拉号正鼓起主帆和两个大三角帆前进，美丽的白帆在阳光下如雪似银。
The Hispaniola was under her main-sail and two jibs, and the beautiful white canvas shone in the sun like snow or silver.
我处在水手舱背风的一侧，主帆仍张满了风，挡住了我的视线，使我看不到后甲板的一部分。
I was on the lee side of the forecastle, and the mainsail, which was still drawing, concealed from me a certain portion of the after-deck.
但由于天气恶劣，海面上4米多高的海浪将帆船上的主帆给撕破了，这个重大的时刻也因此被推迟了两个多小时。
The big moment had been delayed for more than two hours due to 4m swells and a torn mainsail.
但由于天气恶劣，海面上4米多高的海浪将帆船上的主帆给撕破了，这个重大的时刻也因此被推迟了两个多小时。
The big moment had been delayed for more than two hours due to 4m swells and a torn mainsail.
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