its name translates as "the abnormal shrimp." 顾名思义 它名字的含义就是“奇怪的虾”
Trilobites are one of the first in a brand-new dynasty, 三叶虫 是一个全新王朝中的首批生物之一
For those still stuck on the seabed, 对于那些仍困于海床上的生物来说
jellyfish were the first to venture out of the shallows 水母率先冒险离开浅海
they were the very first animals to escape the seafloor and swim. 它们是第一种从海底逃离 并开始游泳的生物
The arrival of predation was a seismic shift in the ancient seas. 捕食者的出现 是古代海洋中的一次颠覆性转变