The major accident rate for males fell slightly from preschool into early school years, and then rose rapidly to a plateau lasting from early teens into the twenties.是什么意思_The major accident rate for males fell slightly from preschool into early school years, and then rose rapidly to a plateau lasting from early teens into the twenties.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句