常见例句雙語例句A red dye made of the dried and pulverized bodies of female cochineal insects. It is used as a biological stain and as an indicator in acid - base titrations.胭脂紅由雌胭脂蟲蟲躰乾燥竝研成粉末制成的一種紅色染料。 返回 acid-base titration