straight arch
A form of arch in which the intrados is straight, but with its joints drawn radially.
plural of cage stage
(grammar) The grammatical case that is associative.
ammonia produced from blue hydrogen and nitrogen
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
★★★★★★★★★★