barrier

• The migration of iodide ion between layers is controlled by barrier interlayers .
  碘离子在层间的扩散作用可以用隔层加以控制。
• Healthy, skin, mucous membranes, and cilia are natural barriers to many viruses .
  健康的皮肤，粘膜和纤毛是许多病毒的天然屏障。
• You're at present on a different footing-property erects a kind of barrier .
  你现在的地位不同了--财产已在你周围建立起一道屏障。
• Let us turn our attention to this problem of institutional barriers to voting .
  让我们来研究一下妨碍投票的制度上的障碍这个问题。
• This type of barrier is a combination of the pumping trough and the hydraulic ridge .
  这类屏障是把抽水槽和水力分水岭结合在一起。
• A biradical chain has almost no possibility to overcome this barrier of 6-ring formation .
  双基链几乎没有可能克服形成6环的这种阻碍。
• If the drug and iv solution are incompatible, use two glucose barriers .
  如果药物与静脉所输的液体是配伍禁忌的，就要用两次葡萄糖屏障液。
• Children would bring them close together and break down this invisible barrier .
  有了孩子，夫妇就会亲密起来，打破目前彼此之间无形的隔阂。
• His extensive experience in other parts of asia helped him to overcome cultural barriers .
  在亚洲其他地区的广泛经历帮助他克服了文化障碍。