英语词汇“wall rock”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	wall rock
释义	wall rock n. The rock that forms the walls of a vein or lode.
随便看	ppt PPV PQ Pr Pr PR pr. practicability practicable practicably practical practicality practical joke practical joker practically practicalness practical nurse practice practiced practicer practice-teach practice teacher practice teaching practicing practicum

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