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grammas n
desert. 【澳大利亚土著语】风化穴 (与 weathering pit (风化穴)同义、多出现于水平的或倾斜的花岗岩、石英斑岩及其他黏结岩和块状岩)
 English thesaurus
GRAMMA abbr.
abbr., el., scient. Gig And Recording Amp Monitor Modulation Attenuator