noun ダウンロード 🔗共有 るつぼ A cup-shaped piece of laboratory equipment used to contain chemical compounds when heating them to very high temperatures. Examples : "The chemist carefully placed the powdered sample into the crucibles before putting them in the furnace. " 化学者は、炉に入れる前に粉末状のサンプルをるつぼに慎重に入れました。 utensil material chemistry science technical AIとチャット語彙ゲーム読解練習
noun ダウンロード 🔗共有 るつぼ A heat-resistant container in which metals are melted, usually at temperatures above 500°C, commonly made of graphite with clay as a binder. Examples : "The metalworkers carefully poured the molten gold from the crucibles into molds to make jewelry. " 金属加工職人は、ジュエリーを作るために、るつぼから溶けた金を型に注意深く注ぎました。 material utensil technology chemistry science industry AIとチャット語彙ゲーム読解練習
noun ダウンロード 🔗共有 るつぼ The bottom and hottest part of a blast furnace; the hearth. Examples : "The intense heat within the crucibles of the blast furnace melts the iron ore. " 高炉のるつぼ内の強烈な熱が鉄鉱石を溶かします。 material industry machine AIとチャット語彙ゲーム読解練習
noun ダウンロード 🔗共有 試練、苦難 A very difficult and trying experience, that acts as a refining or hardening process. Examples : ""Boot camp was one of the crucibles that transformed ordinary citizens into resilient soldiers." " ブートキャンプは、一般市民を屈強な兵士に変える試練の一つでした。 suffering situation character condition literature mind emotion process history AIとチャット語彙ゲーム読解練習