单词	echo ophthalmoscope
释义	echo ophthalmoscope 超声波检眼镜
随便看	positron Positron Anmibilation positron annihilation positron annihilation apparatus positron-annihilation apparatus positron annihilation data positron annihilation energy positron-annihilation energy Positron Annihilation in Gelatin Macromolecules positron annihilation lifetime positron annihilation lifetime spectroscopy positron annihilation life time spectrum positron annihilation radiation positron annihilation spectroscopy positron annihilation spectrum positron annihilation technique positron-annihilation technique Positron annihilation techniques positron beam positron beta decay positron brain scanning positron camera positron-capture positron capture branching ratio positron-capture branching ratio