frequent
/ˈfri:kwənt; `frikwənt/ adj
happening often; habitual 时常发生的; 惯常的
the car manufacturer's frequent changes of models 汽车制造厂产品型号的经常变换
His visits became less frequent as time passed. 他渐渐地不常登门了.
frequent / frɪˈkwent; frɪ`kwɛnt/ v [Tn]
(fml 文) often go to or visit (a place) 常去, 常到（一地方）
He used to frequent the town's bars and night-clubs. 他从前常去镇上的酒吧和夜总会.