ty后缀的单词 acidity n. 酸味,酸性; activity n.活动,能动性; actuality n. 实际; adaptability n. 适应性; adversity n. 不幸 He is always ready to...
acclivity n. 向上的陡坡; activity n.活动,能动性; captivity n. 囚禁,被关; conductivity n. 导电率,传导率,传导度; connectivity n. 连通性,联络性...