CMU English Pronouncing Dictionary Dictionary [with local updates] CMU Pronouncing Dictionary
Oxford Advanced Learners Dictionary (pronunciation guide only) Oxford Advanced Learners Dictionary
German-English: TU-Chemnitz DING Dictionary DING DE-EN Dictionary
Proton { n } | Protonen { pl }
proton | protons
เพิ่มคำศัพท์
ทราบความหมายของคำศัพท์นี้? กด [เพิ่มคำศัพท์] เพื่อใส่คำนี้พร้อมความหมาย เพื่อเป็นวิทยาทานแก่ผู้ใช้ท่านอื่น ๆ
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