opened和open的区别

opened是打开了的意思，过去分词，作形容词用，而open则是打开的意思，一个动词。区别可以从以下例子看出：

There are some canned foods there, Please open those cans, then check the quality of the food, as we found some of opened can the food is off. 那里有一些罐头食品，请打开罐头，然后检查食品的质量，因为我们发现一些打开的罐头食品已经坏了。