marker bed
(palynology, of a pollen grain) Having an ulcus, a rounded pore-like aperture, at one or both poles.
Agent noun of needle; one who needles; an annoyer. / One who makes or uses needles. / A dealer in needles. / (chiefly science fiction) A gun that fires needles or darts.
Synonym of marker horizon
present participle of smack
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
★★★★★★★★★★