最終更新日:2022/12/24

In the Mill Close Mine, a very rich and extensive flat occurred under a way-board which was topped with a tiny coal seam 1 in. thick or so, the way-board itself being from 1 to 3 ft. thick, and looking very much like an […]

編集履歴(0)

Sentence quizzes to help you learn to read

編集履歴(0)

ログイン / 新規登録

 

アプリをダウンロード!
DiQt

DiQt(ディクト)

無料

★★★★★★★★★★