不时

• Her lips would part and close over these significant teeth .
  她的嘴唇不时地开闭在这两排惹人注目的牙齿上。
• From time to time we stumbled over the frozen corpse of a comrade .
  我们不时地被一名冻僵的战友尸体所绊倒。
• Bulges and tentacles of ore extend haphazardly from a central mass .
  矿石的凸出物及细枝不时地从中心块体伸出。
• I'll admit that now and again he had a sort of tub-thumping eloquence .
  我承认，他不时地表现出一种慷慨激昂的口才。
• Babbitt sat on the stump, facing the dark pond, slapping mosquitoes .
  巴比特面对黑暗的池塘坐在树桩上，不时拍打蚊子。
• A few stars on the road to dwarfhood flare up briefly from time to time .
  有些星星在演变为白矮星的过程中，不时地隐隐闪烁。
• Others switched on the radio from time to time to keep up on what was happening .
  另外有些人不时打开无线电收听事件的进展。
• Now and then i turned aside to avoid some noisy drunkard as he reeled homewards .
  我还要不时给吵吵嚷嚷蹒跚着回家的醉鬼让路。
• There was a pot on the fire, and now and then you could hear it bubble and chunk .
  火上有一口锅，不时可以听到锅里噗噗冒泡声。
• From time to time a scraper is passed through the pipeline to remove this corrosion .
  不时用清管器在油管内穿过，以清除这种锈蚀。