require

• Some review of its activities is required .
  我们需要对其活动进行一些叙述。
• The facilities required for convention are extensive .
  开会需要的设施很多。
• A vasopressor drug may be required .
  可能需要一种升血压药物。
• Intubation and assisted respiration will be required .
  需要插管及辅助呼吸。
• Another aspect of the logic requires comment .
  这个推理还有另一点需要说明。
• Small bowel intussuception may require resection .
  小肠肠套叠需做肠切除术。
• Some of them require further amplification .
  其中有些内容需进一步详细阐明。
• Molybdenum is required for this reduction .
  这种转化需要钼。
• All passengers are required to show their tickets .
  所有乘客都必须出示车票。
• All that is required is a valve .
  全部所需的就只是一个活门。