be allowed to

• Lodging resistance and plant height are allowed to vary within relatively wide limits .
  抗倒伏与株高选择标准，容许变化范围较广。
• The argentines had been guilty of aggression and must not be allowed to get away with it .
  阿根廷人进行了侵略，决不能便宜了他们。
• Those who had known him best rather agreed that he should be allowed to roam at large .
  最了解他的那些人甚至认为应该允许他任意游荡。
• Then the hybrids are allowed to self-copulate naturally, and several lines are established .
  然后让杂种天然自交，这样就形成几个品系。
• By isolated we mean that no matter is allowed to cross the boundary of the system .
  所谓“孤立”系统，指的是不允许任何物质通过其边界的系统。
• Mixed acid should be allowed to flow for 1 minute in order to flush the pipes and cooling system .
  应让混酸流一分钟，以便冲洗管道和冷却系统。
• The bullet is allowed to make a completely inelastic collision with a body of much greater mass .
  使子弹与质量大得多的物体发生完全非弹性碰撞。
• Liquid must not be allowed to dwell for significant periods of time in any part of the equipment .
  决不允许液体在生产设备中任何部位停留很长时间。
• Tanis tells me you're a very prominent man, and i'm honored for being allowed to drive with you .
  坦尼斯告诉我，你非常有名望，让我陪你去，我十分荣幸。