1 if something may happen or may be true, there is a possibility that it will happen or be true but this is not certain 可能,也许;
POSSIBILITY
可能性
3 a. used to say that someone is allowed to do something b. used to ask politely for permission to do something [口,正式]
我/我们可以…吗?〔用于礼貌地请求同意〕 spoken formal
ALLOWED
允许