由构成普通物质的粒子的反粒子组成的物质。
反物质；[化] 反物质
由构成普通物质的粒子的反粒子组成的物质。
Matter that is composed of the antiparticles of those that constitute normal matter.
由与普通物质粒子相对应的反粒子组成的物质
matter consisting of elementary particles that are the antiparticles of those making up normal substances
一种关键性质(如电荷)与普通物质相反的物质
A form of matter that has a key property, such as charge, opposite to that of ordinary matter.
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