最終更新日:2022/12/24

As of November 10, 2015, more than 5,000 exoplanets have been discovered, some of them in the 484 known multiplanetary systems.

音声機能が動作しない場合はこちらをご確認ください
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

★★★★★★★★★★