基本解释潮水坑英汉例句双语例句But despite its apparent lethargy, Pisasterochraceus serves as a toppredator of the intertidal zone—tiger of the tide pool—though it lacks anythinglike a brain.尽管海星表面上看起来无精打采，但它却是潮间带中的顶级猎食者——称得上是潮池之虎——虽然它完全不具备大脑。