noun ダウンロード 🔗共有 バックステイ 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. " 強風でマストが過度に曲がるのを防ぐため、船乗りはバックステイを慎重に調整した。 nautical sailing technical part AIとチャット語彙ゲーム読解練習