present

• The formation of nitroform is presented as follows .
  生成硝仿的过程如下。
• His present whereabouts is unknown .
  他现在下落不明（不知道在什么地方）。
• He had got wise to the present situation .
  他明白了目前的处境。
• Aerosols are present throughout the atmosphere .
  气溶胶存在于整个大气层。
• A few weeks later he presented himself again .
  几个星期以后，他又出现了。
• We do not want your present services .
  我们不是要你现在就帮忙。
• They defy accurate classification at present .
  这使目前的正确分类有困难。
• How do you read the present situation ?
  你对当前的形势怎样看？
• The present law makes no provision for this .
  现行的法律对此未作任何规定。
• A wonderful opportunity suddenly presented itself .
  突然有了个绝妙的机会。