“craterlet”的概念、定义、翻译、参考文献-科学参考

单词	craterlet
释义	craterlet [`krād·ǝr·lǝt] ^ASTRONOMY A very small lunar crater, with diameter less than about 5 miles (8 kilometers), that still has raised walls.
随便看	pump pumpability pumpability test pumparound pump bob pump-down time pumped hydroelectric storage pumped tube pumpellyite pumpellyite-prehnite-quartz facies pumphouse pumping pumping frequency pumping level pumping loss pumping pressure pumping radiation pumping station pumping well pumpkin pump off pump oscillator puna punch punch card

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