Results: Most of birth defects are Congenital heart defect(Chas),the main reason is lower diagnoses level before childbearing.是什么意思_Results: Most of birth defects are Congenital heart defect(Chas),the main reason is lower diagnoses level before childbearing.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句