a litter of短语²⁵⁵⁶⁹ 例句 Another factor that you must consider is the financial burden of having a litter of puppies. 另一个你需要考虑的因素是饲养幼犬的经济负担。 aigou The process has a simple operation, a lower energy consumption, a litter of environment pollution, and has obviously economic and social benefit. 该工艺生产操作简单，能源消耗少，环境污染小，经济效益和社会效益显著。 cnki