“Upper Triassic”的概念、定义、翻译、参考文献-科学参考

单词	Upper Triassic
释义	Upper Triassic [`ǝp·ǝr trī`as·ik] ^GEOLOGY The latest epoch of the Triassic period of geologic time, beginning about 200 million years ago.
随便看	polar circle polar climate polar compound polar continental air polar convergence polar-coordinate navigation system polar coordinates polar covalent bond polar crystal polar cyclone polar desert polar developable polar diagram polar distance polar easterlies polar-easterlies index polar electrojet polar equation polar firn polar form polar front polar-front theory polar glacier polar high polar ice

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