I thought I could take iron into my body by using a cast iron teapot, but the inside of the teapot that I bought was enamel coated so iron wasn't transferred to tea.
こんにちは！
ご質問ありがとうございます。
『ポットの内部はホーロー加工なので鉄は溶けださない』は、
いくつか言い方が考えられますが、
I thought I could take iron into my body by using a cast iron teapot, but the inside of the teapot that I bought was enamel coated so iron wasn't transferred to tea. と説明できます。
メモ
cast iron 鋳鉄製の
enamel coated ホーロー加工された
参考になれば幸いです。
日本 
