旋

• His head whirled. he dared not lie down .
  他脑袋发旋，他不敢躺下来。
• Can it be resolved into optical isomers ?
  这能离析为旋光异构体吗？
• Very strong winds revolve around the eye .
  非常强的风绕着这个台眼旋卷。
• The swirling dust floated in the sky .
  一团团的尘土打着旋儿，在空中飞扬。
• The swivel had been oiled to perfection .
  旋轴已经上足了油。
• The racemate is optically inactive .
  外消旋体是不旋光的。
• There goes the last of our spinning reserve .
  现在动用了我们最后的旋压的储备了。
• We introduce labels for the spin of electron as follows .
  我们引入电子自旋的标记如下。
• Isospin is a vector quantity .
  同位旋是矢量。
• The pull rod is screwed into the inside thread of the anchor head .
  将拉杆旋入锚头内的丝扣。