$300 and I'll throw in my original 1979 mattel millennium falcon with real light speed sound effects.

300美元再加上我的1979年的原版千岁鹰，有真的光速音响效果哦。

They then compare this spectrum with a theory, based on calculations from first principles, of how magnetic fields effect light emitted by hydrogen.

然后，他们把测得的光谱与理论计算得到的结果进行了比较，这种理论是基于氢怎样产生磁场效应区域的第一原则得到的。

Margaret, with her London cultivated taste, felt the number of delicacies to be oppressive; one half of the quantity would have been enough, and the effect lighter and more elegant.

玛格丽特以她在伦敦有教养的品味，觉得美食的数量多得让人难以忍受。一半的量就够了，而且效果更轻盈优雅。