“不时”的英语？

“不时”的拼音为：bù shí ...

他们不时地听到大卡车的轰鸣声。Now and then they heard the roar of a heavy truck.人群里不时发出几声抱怨和欢呼。Scattered groans and whoops broke out in the crowd.要抬起头，不时看看四周。Keep your head up, and look around you from time to time....

“不时”的近义词/同义词：时时, 每每, 常常, 时常, 往往。...

“不时”的反义词：偶尔。...