Wash bottle nipple and cap thoroughly until no milk remains .

要彻底 清洗 奶瓶，奶嘴，瓶盖，直到没有剩余奶粉。

Please wash the bottle clean .

请 把这个 瓶子洗净。

Remember to wash the bottle out properly before returning it to the milkman .

记着把 牛奶 瓶子好好 洗 一下再还给送奶工。