noun ダウンロード 🔗共有 糸鋸 A saw consisting of a metal frame having a fine-toothed narrow blade held under tension, used in making curved cuts. Examples : "The woodshop students used fretsaws to carefully cut out intricate patterns for their wooden ornaments. " 木工室の生徒たちは、木製の装飾品のために複雑な模様を慎重に切り出すために糸鋸を使いました。 utensil machine AIとチャット語彙ゲーム読解練習