It's searching for one of the ancient ocean's greatest sights... 它在寻找 古代海洋中最壮观的景象之一

121. Rolling into a ball, it becomes completely impenetrable.
     它卷成一团 变得无懈可击
122. Even for the abnormal shrimp.
     即便奇虾也无可奈何
123. With the coast clear, the trilobite continues on its merry way once more.
     威胁消除之后 三叶虫继续踏上快乐的旅程
124. It's searching for one of the ancient ocean's greatest sights...
     它在寻找 古代海洋中最壮观的景象之一
125. ...the trilobite mating grounds,
     三叶虫交♥配♥地
126. where thousands come together to breed.
     数以千计的三叶虫来到这里繁衍后代
127. In the story of life, armor has been such a success
     在生命的故事中 护甲是如此成功

来自《我们星球上的生命 第一季 第二集 Life on Our Planet S01E02 第一前线》第 124 行