The sudden expansion of the diaphragm would raise air from the stomach, while a closure of the glottis would prevent milk from entering the lungs.

这种横膈膜的突然膨胀可能引起胃部空气的上升，同时声门的闭合可以避免乳液进入肺部。

About 13.8 billion years ago, the universe underwent a sudden expansion, changing from an extremely small, dense collection of matter into everything.

大约 138 亿年前， 宇宙突然膨胀，从一个极其微小、密集的物质集合变成了一切。