About 2,500 children are born each year in the United States with a neural tube defect.
About 2,500 children are born each year in the United States with a neural tube defect.
例如，在美国，每年有大约2，500个儿童产生时患有该病。
About 2,500 children are born each year in the United States with a neural tube defect.
例如，在美国，每年有大约2，500个儿童产生时患有该病。