1. 不可数名词：可能性，或然率
2. 不可数名词：几率，概率
3. 可数名词：可能的结果 词形变化
- 复数 probabilities
- a measure of how likely it is that some event will occur; a number expressing the ratio of favorable cases to the whole number of cases possible
- the quality of being probable; a probable event or the most probable event