pronunciation of phosphorus 在 How to Pronounce Chemical, Chemistry, Phosphorus and Dilute 的評價 ... <看更多>
pronunciation of phosphorus 在 How to pronounce phosphorus in English. Search ... - Yololang 的評價 Improve your pronunciation of phosphorus. ... which is poor in crucial nutrients like nitrogen, phosphorus , and potassium. CrashCourse. ... <看更多>