mobility

中文： 流动性

1. The ability to move; capacity for movement. (countable, uncountable)
2. A tendency to sudden change; mutability, changeableness. (countable, literary, uncountable)
3. The ability of a military unit to move or be transported to a new position. (countable, uncountable)
4. The degree to which particles of a liquid or gas are in movement. (countable, uncountable)
5. The ability of people to move between different social levels or professional occupations. (countable, uncountable)

复数 mobilities