her infrequent visits home她少有的探望家人Barriers between nations are reared by slow and infrequent communication.国与国之间的隔阂是由沟通缓慢而又太少形成的.Disturbances are relatively infrequent in British prisons.相对来说,英国监狱不常发生骚乱....
an infrequent guest稀客Some words are too infrequent to be worthy of inclusion in the dictionary.一些单词的使用频率太低,没有必要收入词典。Barriers between nations are reared by slow and infrequent communication.国与国之间的隔阂是由沟通缓慢而又太少形成的....John...