trachytic c粗面状的
trachytic porphyry粗面斑岩
trachytic texture粗面结构
Trachytic tuff粗面凝灰岩
trachytic c texture粗面结构
ADJ（形容词） (of the texture of certain igneous rocks) characterized by a parallel arrangement of crystals, which mark the flow of the lava when still molten (某些火成岩石的质地)粗面岩状的