tone arms
plural of tone arm
A hoe whose blade is approximately at a right angle to the shaft.
A place where saltpetre occurs.
(mathematics) A norm of an ordinary Euclidean space, for which the Pythagorean theorem holds, defined by |x|=√
アカウントを持っていませんか? 新規登録
アカウントを持っていますか? ログイン
DiQt(ディクト)
無料
★★★★★★★★★★