单词	be at home in ...
释义	be at home in ...phr.① 精通…
随便看	energy system (laser)， three levels energy system (laser)， two levels energy systems energy system ， four levels energy system ， three levels energy system ， two levels energy technique economy energy technology energy tensor energy-tensor energy term energy, thermal energy, thermal-excitation energy-- thermal-excitation energy thermal gradients energy threshold energy tidal energy-time-curve energy-time-curve {=etc} energy to noise ratio energy to noise ratio (e/n) energy, total energy, total electron-binding energy trader [energy] transducer