While previously the gap between the continents had allowed a free flow of water, now the isthmus presented a barrier that divided the Atlantic Ocean from the Pacific Ocean.
以前，大陆之间的鸿沟允许水自由流动；而现在地峡形成了一道屏障，把大西洋和太平洋分隔开来。
2
This gap can also lead to a language barrier that can prevent you from communicating effectively with your child.
因为代沟会导致语言障碍的出现，这种障碍会阻碍到你跟孩子的有效交流。
3
And a little ways down the freeway there is a gap in the center barrier, and I calmly turn the wheel and cross over.