n.饲料，饲料中的营养成分...

Thus only the metabolizable portions of a feedstuff can provide energy and essential nutrients.因此,只有饲料的可代谢部分可提供能量和必需的养分.The weighing system is an important core part of the feedstuff mixing.称重系统是饲料搅拌车核心的组成部分.Cotton'...

feedstuff的音标：feedstuff的英式发音音标为：['fi:dstʌf]feedstuff的美式发音音标为：['fidˌstʌf]...