A fun method to learn and improve your foreign languages like English through music and typing in song lyrics
Power Up Your VocabularyKnoword is the game-based learning platform that makes teaching easier and learning vocabulary almost too fun for words. amplitude The vertical distance between a peak or valley and the resting in a transverse wave; the wave height. The measure compressed or rarefied the medium becomes in a longitudinal wave.
リリース、障害情報などのサービスのお知らせ
最新の人気エントリーの配信
処理を実行中です
j次のブックマーク
k前のブックマーク
lあとで読む
eコメント一覧を開く
oページを開く