单词	hard chalk
释义	hard chalk 硬白垩
随便看	demonstration validation demonstration vehicle demonstration version demonstration village Demonstration viUage demonstration window demon-stration work demonstrative evidence demonstrative experiment Demonstrative Experiment Made With MATLAB demonstrative experiments demonstrative experiments in physics demonstrative geometry demonstrative higher polytechnic colleges demonstrative higher vocational college demonstrative higher vocational colleges demonstrative higher vocational school demonstrative higher vocational schools demonstrative high school demonstrative inference demonstration zone demonstration zone of equipment manufacturing demonstrative demonstrative adjective demonstrative adjectives