effective

• The tea is really very effective .
  的确，茶很有效。
• That dress is most effective .
  这身衣服动人极了。
• He had long been known as an effective administrator .
  他实为品格高尚能力超群的行政官。
• Shooting and chasing are neither desirable nor effective .
  射杀和驱逐既不合适也无济于事。
• This can be counteracted only by very effective insulation .
  这只能用非常有效的绝缘来防止。
• Also the oxide itself is a moderately effective lubricant .
  它的氧化物也是中等效能的润滑剂。
• Neither of them had established an effective air patrol .
  他们两人都没有布置有效的空中巡逻。
• It is most effective at bedtime and in the morning .
  在睡前和在晨起后用这种方法都是很有效的。
• For parotid pain, aspirin or codeine is quite effective .
  阿司匹林或可待因治腮腺疼痛非常有效。
• The effective manager has no regular duties to perform .
  高效率的管理者不需要完成经常性的任务。