一半

• About half the chemical engineers have checked out .
  大约有一半化学工程师已经退房。
• Half of the books are novels .
  这些书中有一半是小说。
• He had gone partially bald .
  他的头发已有一半秃光了。
• They spent half the time looking for a parking space .
  他们用了一半时间寻找停车场。
• The article is too long and should be cut down by half .
  这篇稿子太长，得砍去一半。
• Either half of the major axis is called a semimajor axis .
  长轴的每一半叫做半长轴。
• In the event her majority was nearly halved .
  后来，她得到的多数票，几乎减少了一半。
• The ampulla comprises about half of the oviductal length .
  壶腹约占输卵管全长的一半。
• The flow domain has the form of an infinite half strip .
  流动区域为一半无限带形区域。
• I've half solved it already .
  我已经解决了一半了。