It took a long time to scrape off all the dirt and bits of food from the top of the cooker.花了很长时间才把锅上面的污迹和食物碎屑全部刮掉。He had bits of food on his chin.他的下巴上有食物碎屑。She scared up a meal from the bits of food in the kitchen.她用厨房里的一点食物凑合成一顿饭。There were little bits of food all over the carpet.地毯上全是食物的碎屑。