| 释义 |
DEFINITIVE EXAMPLES 权威例句〔peak〕Economic life moves in cycles of peaks and troughs.经济活动在高峰和低谷循环交替。牛津搭配〔revolve〕To recur in cycles or at periodic intervals.循环往复:在周期中或周期性间隔中重复出现美国传统〔x-ray burster〕Any of several celestial phenomena characterized by the emission of very powerful bursts of x-radiation in cycles lasting from a few seconds to a few minutes.X射线爆发源:在几秒或几分钟之内爆发出环状X射线的一种天体现象美国传统Fashions tend to go in cycles.时装往往周而复始。牛津商务 |