1 phenyl 3 methyl 5 pyrazolone怎麽讀
點擊播放按鈕播放真人發音:
Update Required
To play the media you will need to either update your browser to a recent version or update your Flash plugin.
- 1 phenyl 3 methyl 5 pyrazolone英語什麽意思:1-苯基-3-甲基-5-吡唑啉酮