时而

时而 [shí ér]

1. ■ （事情重复发生） from time to time; sometimes:

蔚蓝色的天空中，时而飘过几朵白云。 Sometimes several clusters of white clouds drift across the blue sky.

---

常用词组

1. ■ （叠用） now ... now ...; sometimes ... sometimes ...:

天气时而热时而冷。 It is sometimes warm and sometimes cold.