Sometimes that helps life. 有时候这有助于生命

144. So too is the battlefield itself,
     战场本身也在不断变化
145. which leads to the third rule of life.
     这产生了生命的第三条法则
146. Earth never remains stable for long.
     地球从不会长♥期♥保持稳定
147. Sometimes that helps life.
     有时候这有助于生命
148. Sometimes it hinders it.
     有时候阻碍生命
149. Throughout history, volcanoes have been one of the greatest agents of change.
     纵观历史 火山一直是最大的变化因素之一
150. Eruptions lasting thousands of years
     持续数千年的喷发

来自《我们星球上的生命 第一季 第一集 Life on Our Planet S01E01 生命法则》第 147 行