“bowl crater”的概念、定义、翻译、参考文献-科学参考

单词	bowl crater
释义	bowl crater [`bōl ´krād·ǝr] ^ASTRONOMY A type of lunar crater whose interior cross section is a smooth curve, with no flat floor.
随便看	plotting chart plotting head plotting interval plotting paper plotting sheet plotting table plough plough deflector ploughed-and-tongued joint plough wind plow plowshare plow sole plow steel plow wind plucking plug plug adapter lamp holder plug-and-feather hole plug-and-feather method plug back plug bit plugboard plugboard chart plug cock

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