I'm going to explain my impressions of each subject without going into detail.
Since I don't have time to talk at length about the details of each subject, I'm going to give an impression of each one instead.
未来形を使いましたが、現在形の翻訳は似ています。
各教科深くは説明せず、触りだけ説明します。
I'm going to explain my impressions of each subject without going into detail.
一つ一つの教科の内容を深く話す時間はないので、触りだけすべての教科について話します。
Since I don't have time to talk at length about the details of each subject, I'm going to give an impression of each one instead.
＊単語＊
教科 subject, curriculum
深く deeply, at length
説明する to explain
触りだけ a feel, an impression
内容 contents, details
話す時間 time to talk
イギリス 
