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 adjusted the backstays to keep the mast stable in the strong wind. " 強風の中でマストを安定させるために、船乗りはバックステイを調整しました。 nautical sailing vehicle technical part AIとチャット語彙ゲーム読解練習