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'...
We definitely wanted to salvage some pride for British tennis.我们当然想为英国网球挽回一些尊严。His opponents believe he is definitely on the run.对手认为他必败无疑。Acting is definitely a young person's profession in many ways.从许多方面来说，表演无疑是吃...
The scientist’s experiments have thrown great light on the amazing ways honeybees communicate in their dark hives.这位科学家的实验很清楚地表明了在黑暗的蜂房里,蜜蜂是怎样以很巧妙的方式传递信息的。You wonder how honeybees tell each other where to find food?你想知道蜜...