background

• Cumming tittered in the background .
  卡明在背地里傻笑。
• My chemistry background helped, though not much .
  以前学的化学有些帮助，但也有限。
• He has a working-class background .
  他是工人阶级出身。
• He was looked down on because of his humble background .
  他因家世寒微而被人看不起。
• Such was the background of gertrude stein's work .
  这就是格特鲁德斯泰因作品的背景。
• The unwanted radiation is referred to as background radiation .
  这种有害辅射称为背景辅射。
• You have a background of your own, you would be missed .
  你有着自己的家业，被人们所念叨着。
• On most social occasions, she lurked in the background .
  在大多数社交场合，她总是退居后台。
• The chameleon can take on the colors of its background .
  避役可将身体颜色变得与周围环境相同。
• The background count of the detector is 4～6 counts 1 min .
  探测器的本底计数率为46脉冲1分。