noun ダウンロード 🔗共有 車軸 One of the two long pieces of wood, extending before a vehicle, between which a horse is hitched; a shaft. Examples : "The farmer carefully attached the horse to the wagon's thills. " 農夫は馬を注意深く馬車の車軸に取り付けました。 vehicle machine part AIとチャット語彙ゲーム読解練習
noun ダウンロード 🔗共有 石炭層の下の薄い層 The shallow stratum of underclay that lies under a seam of coal; the bottom of a coal-seam. Examples : "The miners carefully scraped away the last of the coal seam, being cautious not to damage the soft thills underneath. " 鉱夫たちは、下の柔らかい石炭層を傷つけないように注意しながら、石炭層の最後の部分を慎重に削り取った。 geology material substance industry AIとチャット語彙ゲーム読解練習