jump under much must duck truck uncle summer rubber rubbish
farm 2. stone 3. cow 4. sheep 5. corn 6. rubbish 7. throw 8.
4,其他: practice information trouble news progress grass rubbish
英音rud美音rod路rubbish n. 英音rbi美音rb垃圾sign n.
road robot rock role room rope rose round row rubber rubbish