| 1. | Jaguars are largely nocturnal creatures .
美洲虎基本上是夜行动物。 |
| 2. | A nocturnal animal hunts its food at night .
夜间活动的动物在夜间猎食。 |
| 3. | The owl is a nocturnal bird .
猫头鹰是夜间出没的鸟。 |
| 4. | I wander about the dread nocturnal countryside of this inhuman season .
在这无情的季节里，在这可怕的夜间，我在乡野徘徊。 |
| 5. | The usual symptoms are dyspnea, and sometimes paroxysmal nocturnal dyspnea .
其常见症状是呼吸困难，有时呈阵发性夜间呼吸困难。 |
| 6. | And then i wander about the dread nocturnal countryside of this inhuman season .
于是在这无情的季节，可怕的夜间，我在乡野徘徊。 |
| 7. | He was sharing a nocturnal poker game with out-of-town cronies from another utility .
他正同几位来自外地的另一家公用公司的老朋友打扑克。 |
| 8. | We exposed both nocturnal and diurnal, or day-active, rodents to different light levels .
我们既把夜间活动的、也把日间活动的啮齿动物置于不同等级的光照环境中。 |
| 9. | Nocturnal insects, which are usually active in dim light but not in complete darkness, react to contour .
夜出性昆虫常常活动于微暗但不是完全黑暗中，对形状有反应。 |
| 10. | Psychic changes have been commonly observed, as well as daytime somnolence, nocturnal insomnia, and partial blindness .
普遍观察的有精神变化，以及白天嗜睡，夜间失眠和部分失明。 |
