mainsail

• 指帆船上主桅上最大的、位置最低的帆，用于捕捉风力推动船只前进。

A noun referring to the largest and lowest sail on the mainmast of a sailing vessel, used to capture wind and propel the ship.

1. Lowermost sail on the mainmastC1formaltechnical

   The principal and lowest sail set on the mainmast of a sailing vessel.

   主帆

   • The crew hoisted the mainsail as the wind picked up.
   • A rip in the mainsail forced the ship to return to port.
   • He adjusted the mainsail to catch the optimal breeze.
   • The mainsail flapped loudly before catching the wind.

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