cycle

The life cycle of a butterfly involves four distinct stages: egg, larva, pupa, and adult.

(Chinese) 蝴蝶的生命周期包括四个不同的阶段：卵、幼虫、蛹和成虫。

The central bank adjusted interest rates to manage the fluctuations of the economic cycle.

(Chinese) 中央银行调整利率以管理经济周期的波动。

He decided to cycle to work every morning instead of driving to improve his fitness.

(Chinese) 他决定每天早上骑自行车上班而不是开车，以增强体质。

Many tourists cycle around the city's historic walls to see the sights at their own pace.

(Chinese) 许多游客沿着城市的古城墙骑行，按照自己的节奏欣赏美景。