effective

• Bank communications become more effective .
  银行的宣传变得效果更强。
• They thought their acting was so effective .
  他们自认为演技十分感人。
• The mudstones provide an effective seal .
  此泥岩提供了有效的封闭。
• Amines and diamines are particularly effective .
  胺和二胺是特别有效的。
• We need an effective opposition .
  我们需要一个能起作用的反对党。
• Social control was generally effective .
  社会制约一般是有效的。
• Surface bombardments had nowhere been effective .
  海面舰只炮击也毫无建树。
• The most effective defense is offence .
  最有效之防御乃为攻击。
• This medicine is effective if used within three years .
  这种药三年以内有效。
• Oxytetracycline is effective against b anthracis .
  土霉素对炭疽杆菌是有效的。