| Front | riv |
|---|---|
| Back | 词根含义：stream; 助记词：river，riv（溪流）+er=》溪流汇集到一起=》河流 同根词：river, rival, arrive, derive |
Tags: 400root-中文版
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Next card: Rod ros 词根含义：to gnaw bite; 助记词：rodent，rod（咬）+ent=》咬东西的动物=》啮齿动物 同根词：rodent erode
Previous card: Rid ris 词根含义：to laugh; 助记词：ridiculous，rid（笑）+ic+ulous（形容词后缀）=》可笑的 同根词：ridicule resible deride
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