adv.每日；在白天；白天活动地

The animals are most active diurnally, during the day.
动物们主要在白天活动，这是它们的昼行性习性。
Many birds migrate diurnally, flying from one place to another during the daylight hours.
许多鸟类是日间迁徙的，白天从一个地方飞到另一个地方。
His work schedule is diurnal, meaning he works primarily during the daytime.
他的工作时间表是日间制的，主要是白天工作。
The desert plants have adapted to survive diurnally, withering during the day and opening up at night to absorb water.
沙漠植物已经适应了昼夜生存，白天枯萎，夜晚则打开吸收水分。
Some insects are nocturnal, while others are diurnal; it all depends on their species.
有些昆虫是夜行性的，而有些则是日行性的，这取决于它们的种类。
Farmers often perform tasks like planting and harvesting diurnally, as the sun provides necessary light for these activities.
农民通常在白天进行种植和收获等任务，因为阳光对这些活动至关重要。
The city's traffic patterns change dramatically diurnally, with rush hour congestion occurring during the morning and evening.
这个城市的交通模式在白天和晚上有着显著的变化，早晚高峰时段特别拥堵。
In tropical climates, temperature fluctuations are often diurnal, with cooler evenings and warmer days.
在热带气候中，温度变化通常是日间性的，白天较热，夜晚较凉爽。
The diurnal rhythm of the human body, also known as our circadian clock, helps regulate sleep-wake cycles.
人体的日间节律，也就是我们的生物钟，有助于调节睡眠-觉醒周期。
Some animals, like bats, are crepuscular, meaning they are most active during dawn and dusk, which is a type of diurnal behavior.
有些动物，如蝙蝠，黄昏时最为活跃，这是一种日间活动类型。