单词	自然本底值
释义	自然本底值 natural background value
随便看	The parrot gave me a sharp peck on the finger The parrot give me a sharp peck on the finger The parrot has got bright plumage The parrot picked its seed The parrots can fly down from the trees The parrots in the zoo are popping all the time The parrot squawked and flew away The parrot talks the parsonage garden at nuenen the part the part gaussian apodization the Parthenon The Parthenon is a magnificent structure the partial credit model the partial fund system the partiality of law the partial least squares regression the partial loads the partial membership the partialness sum the partial order the participatery method the Participation Front the participation management right the participation of the employees