第三人稱復數：exercise books
exercise book基本解釋
練習本；
exercise book網絡解釋
1. 練習簿：exercisebook paper 練習本用紙 | exercisebook 練習簿 | exercise respirator 負荷呼吸器
2. 練習本：satchel 書包 | exercisebook 練習本 | blotting paper 吸墨紙
3.
3. 器具用品：植物部位:branch, trunk, stalk | 器具用品:exercisebook, sketch-book, rope, hoop | 形容詞: tired, full ,afraid ,angry, strong, brave ,sharp ,large
4. 練習冊：20 教科書 textbook | 21 練習冊 exercisebook | 22 黑板blackboard