noun 下载 🔗分享 后支索, 支索. A part of the rigging of a sailing ship extending from masthead the top of the mast to the back of the ship; they support the strain on all upper masts and provide additional support to the shrouds when the wind is abaft the beam. Examples : "The sailor carefully adjusted the backstay to keep the mast from bending too much in the strong wind. " 水手小心地调整了后支索,以防止强风中桅杆过度弯曲。 nautical sailing technical part 与AI对话词汇游戏阅读练习