| คำศัพท์ในหมวด |
|---|
| คำศัพท์ (VOCABULARY) |
| radioisotope |
| radiologist |
| radiology |
| radiometer |
| radiophoto |
| radiophotograph |
| radioscopy |
| radio-telephone |
| radiotherapy |
| radish |
| radium |
| radius |
| radius |
| radix |
| radon |
| raffia |
| raffia |
| raffish |
| raffle |
| raffle |
| raffle |
| raft |
| raft |
| raft |
| rafter |