volubility [
,vɒlju'biliti]
n. 流畅, 流利
volubility[ noun ]
the quality of being facile in speech and writing
<noun.attribute>
Volubility \Vol`u*bil"i*ty\, n. [L. volubilitas: cf. F.
volubilit['e].]
The quality or state of being voluble (in any of the senses
of the adjective).