petrography
(mineralogy) Alternative name for smithsonite.
To draw chalk symbols in public places (such as the side of a building or a sidewalk) to show users of computers with Wi-Fi capability where a wireless network may be accessed.
present participle of yern
(petrology) The branch of petrology that deals with the scientific description and classification of rocks. / The art of writing on stone.
彼は岩石記載学を専門としており、それは岩石の科学的な記述と分類を扱う岩石学の分野です。
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