neutral

• He had learned to present a blank, neutral surface .
  他学会了在外表上显得呆头呆脑，庸庸碌碌。
• Two photons are created in the decay of the neutral pion .
  双光子是在中性兀介子衰变中产生的。
• This plane is therefore called the neutral surface of the beam .
  因此这个平面称为梁的中性面。
• The car is in neutral .
  那汽车在空挡位置。
• Moses made a special effort to keep a neutral look .
  摩西作了一次特别的努力，以保持一种漠然的表情。
• The things her father said seemed meaningless and neutral .
  她父亲的话题似乎没有什么意义，干巴巴的。
• This has the detailed neutral accuracy of a photograph .
  这段话如同摄影照像一样，精确细致，不带感情色彩。
• Van der wals forces between neutral atoms are called dispersion forces .
  中性原子间的范德华力叫做色散力。
• The welding conditions should always be neutral or slightly oxidizing .
  焊接气氛必须永远保持中性或微氧化。
• The neutral posture was maintained by america until the end of april .
  直到4月底以前，美国始终采取中立姿态。