closed-book

比較不可

(education) Referring to an examination in which external resources such as glossaries, study notes, and calculators are prohibited.

日本語の意味

外部の参考資料（辞書、ノート、計算機など）の持ち込みが禁止される試験方式

The closed-book exam next week will test our understanding of organic reaction mechanisms.

来週の参考書やメモ、電卓などの持ち込みが禁止された試験では、有機反応の理解が試されます。

意味（1）

(education) Referring to an examination in which external resources such as glossaries, study notes, and calculators are prohibited.