And they are so abundant 而且它们的数量如此之多 escape seems impossible. 逃脱似乎是不可能完成的任务 Caught. 被抓住了 But not for long. 但不会太久 Free at last. 终于自♥由♥了 Thanks to their ability to swim, 由于会游泳 jellyfish were the first to venture out of the shallows 水母率先冒险离开浅海 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 88 行