| 释义 |
an·ti·mat·ter AHD[ănʹtĭ-măt'ər, ănʹtī-] D.J.[ˈæntɪˌmætə, ˈæntaɪ-]K.K.[ˈæntɪˌmætɚ, ˈæntaɪ-]n.（名词）- A hypothetical form of matter that is identical to physical matter except that its atoms are composed of antielectrons, antiprotons, and antineutrons.反物质：一种假想的物质形式，与自然物质相同的，只是其原子由反电子，反质子和反中子构成
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