They made an immense improvement in English.

在英语方面他们取得了巨大的进步。

Immense improvement of LP and Shellac reproduction.

LP和紫胶再生产的巨大改善。

Nevertheless, by his masterly operation and improvement of her kitchen-laundry he fell an immense distance in her regard.

可是，马丁的这手精湛的功夫和对她厨房洗衣间的改进却叫他在玛利亚眼中的身分一落千丈。