英语翻译human beings speak with mouth还是human beings speak with mouths还是human beings speak with a mouth 为何主语是复数,后面要用单数呢?

human beings are human beings human ,human beings 区别 英语翻译翻译提问,然后请您特别解释一下“human beings ”. 英语翻译human beings speak with mouth还是human beings speak with mouths还是human beings speak with a mouth 为何主语是复数,后面要用单数呢? human being还是human beings? human beings humans区别? human beings是什么意思? humans=human beings? human beings to program 英语翻译in making the beings human to produce human beings ,lies the importance of edcation to youths human beings与human being的区别 THE HUMAN USE OF HUMAN BEINGS怎么样 being VS human beings 区别! Care More for Human Beings? 英语翻译We believe that human beings will live _____ _____ _____ one day. 英语翻译We believe that human beings will live _____ _____ _____ one day. 英语翻译Human beings need fresh air ___ ___ fish need clean water. 英语翻译We human beings are __ ___ ____ ___how to live with animal in peace