noun 下载 🔗分享 帆脚索,主帆缭绳 The rope connected to and controlling the mainsail. Examples : "The sailor pulled on the mainsheet to adjust the angle of the sail and catch more wind. " 水手拉紧主帆缭绳,调整风帆的角度,以便兜住更多的风。 nautical sailing technical 与AI对话词汇游戏阅读练习