不时地

• 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。
• 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。
• Next to being married, a girl likes to be crossed in love a little now and then .
  一个姑娘除了结婚之外，总喜欢不时地尝点儿失恋的滋味。
• Their conversation was evidently about kathleen for they both glanced at her often .
  毫无疑问，他俩在议论凯思琳，因为他们不时地瞅她一眼。
• Every now and then, john henry would remember the strange dream he had had years before .
  约翰亨利不时地回想起几年前做过的那个奇异的梦。
• The general disturbance was penetrated from time to time by the rough language of the porters .
  这种普遍的纷扰还不时地穿插着搬运工人粗鲁的话语。
• The use of metallised fabrics is sometimes proposed to reduce the emissivity of a fabric .
  不时地有人建议采用镀有金属膜的织物以减少织物的发射率。
• Dr. macphail thought his eyes rested on him now and then with triumphant good-humour .
  麦克费尔医生觉得，他的眼光不时地落在自己身上，颇为怡然自得。
• Neat, slender, and erect, the woman touched him often as she sat by his bedside .
  那个服装整洁，身材苗条，亭亭玉立的女人则坐在他的床边，不时地抚摸他。