propensity

propensity
(pl. -ies)
  1. an inclination or natural tendency to behave in a particular way
    倾向,习性
    she has a propensity for breaking plates.
    她总会打破碟子。
    [with infinitive]their innate propensity to attack one another.
    他们互相攻击的内心习性。
语源
  1. late 16th cent.: from archaic propense (from Latin propensus 'inclined', past participle of propendere, from pro- 'forward, down' + pendere 'hang') + -ity
英语宝典
考试词汇表