可動性,變動性,情感不定
Mobility \Mo*bil"i*ty\, n. [L. mobilitas: cf. F. mobilit['e].]
1. The quality or state of being mobile; as, the mobility of
a liquid, of an army, of the populace, of features, of a
muscle. --Sir T. Browne.
2. The mob; the lower classes. [Humorous] --Dryden.
mobility
n : the quality of moving freely [ant: {immobility}]