非常频繁
happening very often
非常频繁地发生
极其频繁
越来越频繁
happening more and more often
越来越频繁地发生
相当频繁
happening quite often
颇为频繁地发生
相对频繁
happening quite often in comparison to other things
与其他事物相比，发生得颇为频繁
频繁地
happening often, with short periods of time between each occurrence
经常发生，每次发生之间的时间间隔很短
是频繁的
to occur or exist often
指经常发生或存在
变得频繁
used to indicate that something starts to happen more often
用于指某事开始更频繁地发生
似乎很频繁
to appear to occur or exist often
指看起来经常发生或存在
在...里频繁
common in a particular place or situation
在特定地方或情况下很常见
在...中频繁
common within a particular group of people
在特定人群中很常见