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- A diurnal animal hunts its food during daylight. 白天活动的动物在白昼时猎食。
- A diurnal animal hunts its food during daylight; while a nocturnal animal hunt s at night 昼间活动的动物在白天猎捕食物,而昼伏夜出的动物在晚间猎捕食物
- a diurnal animal 昼出动物
- Diurnal animals are active during the day. 昼行动物在白天活动。
- Such laws may be only the start, and local night curfews will not stop cats from eating diurnal animals, say Paton. 佩顿说，这些法规可能只是开始，当地的宵禁不阻止猫吃白天活动的动物。
- A diurnal temperature variation of-4k is present at 50km because heating only occurs during the day. 由于加热只发生在白天，因此50公里高度上的温度日变化约为4k。
- Thus Euglena shows a diurnal rhythm in the speed at which it moves to a light source. 当眼虫被放在强光下时，仍能表现出昼夜节律。
- It's well known that infants,in contrast to adults,do not have a diurnal rhythm cortisol. 正如人们所熟知的那样，相对于成年人来讲，新生婴儿没有皮质醇昼夜节律。
- Melatonin , 5-methoxy-N-acetyltryptamine, is a hormone found in all living creatures from algae[1] to humans, at levels that vary in a diurnal cycle. 褪黑素是存在于从藻类到人类等众多生物中的一种荷尔蒙，它在生物体中的含量水平随每天的时间变化而变化。
- The cat is a domestic animal in many countries. 猫在许多国家都是家养动物。
- This word denotes a certain kind of animal. 这个词是一种野兽的名称。
- He came early to believe that the sun is at the centre of the universe, and that the earth has a twofold motion: a diurnal rotation, and an annual revolution about the sun. 氏之见解，早年就认为太阳居宇宙之中心，而地球有双重转动，一是一昼夜之自转，一是绕太阳一年之公转。氏之学说，生前不予发表，惧教会之申斥也。
- This small animal has a pair of hazel eyes. 这只小动物有一双淡褐色的眼睛。
- Therefore, I suggested the acoustic signals of S. lividus may be also serves as species recognition.The fish may be a diurnal fish, and its social interaction peaks at noon. 依据声音讯号的特徵分析与日夜变化结果可推测，声音讯号的时序特徵有种间办识之功能，且建议钝头真雀鲷属于日行性活动的鱼种，在中午的社交行为是较高的，文中会对相关声音变异之原因详加讨论。
- A suffering animal is a distressing sight. 看到动物受痛苦是很难受的。
- There is a vein of melancholy in his character. 他的性格中有少许忧郁的气质。
- There was a long lag in forwarding mail to us. 转寄给我们的邮件晚了很久才拿到。
- A bowl of hot chicken soup is good for you. 喝一碗热鸡汤对你有好处。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- A country must have the will to repel any invader. 一个国家得有决心击退任何入侵者。
