单词	back pitch
释义	back pitch noun : the center-to-center distance between two parallel rows of rivets in riveted joints Word History First Known Use circa 1934, in the meaning defined above
随便看	aleuro- Aleurobius aleurodid Aleurodidae aleuromancy aleurometer aleuronat aleurone aleurones aleurons aleurospore Aleut Aleutian aleutian cackling goose Aleutian Canada goose Aleutian Islands Aleutian Range aleutians aleuts aleves alevin alevins alewife alewives alex

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