Betty taught that Sunday school class for twenty years. Though she never married, or had children of her own, the town came to think of her as a surrogate parent since she taught two generations of children.是什么意思_Betty taught that Sunday school class for twenty years. Though she never married, or had children of her own, the town came to think of her as a surrogate parent since she taught two generations of children.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句