originate

• The marriage usages in which they originated have long since disappeared .
  它所渊源的婚姻习俗很早以前即已废除了。
• If you originated your own projections, you were held responsible for them .
  如果你提出自己的计划，你得对它负责。
• There are two general ways in which fires can originate in a nuclear explosion .
  在核爆炸中，可通过两种途径引起火灾。
• In this area the sheets could have originated from a separate center of eruption .
  这地区的岩席可能发源于另一喷发中心。
• Breakages originated chiefly at knots in the lower edges of the 2x8 inch timbers.
  大部破坏发生在2X8英寸木板的下端接缝处。
• No lines of force originate or terminate in the space surrounding a charge .
  在电荷周围的空间内，并没有电力线的起点或终点。
• The parasympathetic innervation of the heart originates in the medulla oblongata .
  支配心脏的副交感神经发源于延髓的迷走神经核。
• The name "cooperative extension service" originates from the form of organization .
  “合作推广局”这个名称取义于这个组织的形式。
• They think that the oil under the surface of the earth originated in the distant past .
  他们认为地下的石油在远古时期就开始形成。
• One of darwin's nagging problems was to discover where this variation originated .
  令达尔文困扰的问题之一，是寻找变异在什么地方发生的。