| Front | oper |
|---|---|
| Back | 词根含义：work, effort; 助记词：operate; 同根词： opera,operable,operant, operate,cooperate, , |
Tags: 400root
Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.
Next card: Opt 词根含义：to choose 助记词：option 同根词 opt,option,optative adopt
Previous card: Od 词根含义：song 助记词：ode 同根词 ode,odic,odium epode,prosody
Up to card list: English learning