But the rudimentary skills of mice suggested that the language-critical capacity might exist on a continuum, much like a submerged land bridge might indicate that two now-isolated continents were once connected.

但老鼠的基本技能表明，语言关键能力可能存在于一个连续体中，就像一座被淹没的陆桥可能表明两个现在孤立的大陆曾经是相连的。