Most materials , including milk and water , are diamagnetic - their interaction with a magnetic field is too weak to be observed under normal circumstances .

大部分物质这其中包括牛奶和水是反磁性的在正常的情况下它们与磁场的反应太弱了很难被发现。

The first question I ask is , " can you give me some example of a diamagnetic substance ? "

我问的第一个问题是：“可以举一个逆磁物质的例子吗？”

Carbon tori quite differ from carbon nanotubes in magnetic properties , e.g. , the paramagnetic or diamagnetic behavior at small magnetic field , the magnetic susceptibility , and the critical magnetic field in changing magnetism .

碳圆环跟碳微管在磁性上有很大的差异，例如在磁场很小的时候，常磁性或者反磁性的表现、磁化率、以及临界磁场。