diurnally
adverb uk/ˌdaɪˈɜː.nəl.i/ us/ˌdaɪˈɝː.nəl.i/
biology specialized昼间地
during the day rather than at night
Tortoises are diurnally active, moving mainly during the daytime. 龟是昼间活动动物，主要在白天移动。
formal以一天为周期地
over a period of a day
Temperatures changed diurnally with the lowest values at 0600 hours and highest at 1200 or 1800 hours. 气温以天为周期发生变化，最低值出现在6点，最高值出现在12点或18点。
- More examples
- Numbers of diurnally active lizards recorded during this study are shown in Table 1.
- Though birds as a rule are diurnally tuned, they do the great bulk of their migrating at night.
- Seed germination is stimulated by diurnally fluctuating temperatures.
- It seems to make sense to ask whether the Earth rotates about its axis West-East diurnally.