noun 下载 🔗分享 顶浪帆,三 角 帆. A small, strong three-sided sail sometimes set in place of the mainsail in heavy weather. Examples : "During the storm, the captain ordered the crew to lower the mainsail and raise the trysail for better control of the boat in the high winds. " 在暴风雨中,船长命令船员降下主帆,升起顶浪帆,以便在强风中更好地控制船只。 nautical sailing weather technical 与AI对话词汇游戏阅读练习