单词	understructure
释义	understructure noun : a structure for supporting something above : foundation, basis Word History Etymology under entry 3 + structure
随便看	crawlspaces crawlway crawlways crawly craws Crawthumper Crax craxes Cray crayer crayers crayfish crayfished crayfishes crayfishing craylet crayolas crayon crayon board crayon green crayon manner crayon sauce crayoned crayoners crayoning

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