a depression hollowed out of solid matterAdjective:not solid; having a space or gap or cavity;"

中文解释

\"a hollow tree\"\"hollow cheeks\"\"his face became gaunter and more hollow with each year\"

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mops diffuse illumination medallion molding innocence or guiltiness 颗粒物 handsome be embarrassed with the home task hardworking pupil expensive journey throw a stone at