Volcanoes, earthquakes and, over a much longer time scale, moving continents.

火山、地震以及在更长的时间范围内移动的大陆。

The spider-tailed horned viper is perfectly camouflaged, almost invisible, except for its unique bulbous tail tip with long drooping scales that look like a leggy spider.

蛛尾拟角蝰有完美的伪装，几乎看不见，除了它独特的球根状尾尖和长长下垂的鳞片，看起来像极了长腿蜘蛛。

Astronomers Fred Adams and Greg Laughlin looked at what will happen to the Universe on very long time scales, and divided it into five broad epochs.

天文学家弗雷德·亚当斯和格雷格·劳克林观察了宇宙在很长时间尺度上的变化，并将其划分为五大时期。

But what it lacked in fishiness in the front of its body it made up for with an extravagant tail, complete with a shark-like fin and a long, scaled rod extending from the tip.

但它身体前部缺乏鱼腥味，却用一条夸张的尾巴弥补了这一点，尾巴上有一个鲨鱼般的鳍和一根从尖端伸出的长长的鳞片杆。