| 释义 |
DEFINITIVE EXAMPLES 权威例句〔cycle〕A year constitutes a cycle of the seasons.一年由四季的周期循环组成美国传统〔period〕Physics Astronomy The time interval between two successive occurrences of a recurrent event or phases of an event; a cycle.【物理学】 【天文学】 周期:两个连续出现或反复出现的现象或事件间的时间间隔;周期循环美国传统 |