单词	feedstuff
释义	feedstuff noun feed·​stuff ˈfēd-ˌstəf  : feed sense 2a also : any of the constituent nutrients of an animal ration Word History First Known Use 1856, in the meaning defined above
随便看	positivities positivity positon positor positrino positron positron-emission tomography positronium positroniums positrons posits positum positure posn posnania Posnanian posnets posol posole posoles posologic posological posologies pospolite poss

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