unite

• The united states is north of the equator .
  美国位于赤道以北。
• The united states is a "telephone land" .
  美国是“电话之邦”。
• The male gamete could not unite with the female .
  雄配子不能与雌配子结合。
• The united states is bounded on the north by canada .
  美国北与加拿大接壤。
• Service in the united states is a matter of money .
  在美国，服务是要钱的。
• How many states are there in the united states of america ?
  美国有多少州？
• Momentum and energy have been united .
  动量和能量统一了起来。
• The united nations is an international organization .
  联合国是一个国际组织。
• Each state of the united states has a capital ...
  美国每一个州都有一个首府。
• United we stand , divided we fall .
  团结顶得住，分裂必垮台。