Beneficial bacteria是什么意思

Beneficial bacteria是什么意思 beneficial beneficial to...是固定搭配?有没有beneficial for...的说法? bacteria是可数还是不可数?much or many Bacteria是什么意思? It is beneficial for us to do morning exercise.还是It is beneficial to us to do morning exercise.beneficial怎么用,是to sb 还是for sb.像 Sunlshine is beneficial to plants这里是用to 的. be beneficial to 后面接动词,是用动词原形还是动词ing形式?be beneficial to do sth.还是be beneficial to doing sth.be detrimental to后面接动词,也跟be beneficial to的用法一样吗? 翻译：更少的有利于：be less beneficial to是这样的吗?还是be beneficial less to? beneficial是什么意思 This would prevent U from the infection of bacteria.请英语老师分析一下这个句子的成分 主要是from the infection of bacteria.不太懂 sat语法题求助,B后面的bacteria是单数,为啥B是对的 bacteria 什么意思? aerobic bacteria是什么意思 mesophilic bacteria是什么意思 Virus 和Bacteria是什么意思? MDR bacteria是什么意思 bacteria可数吗 Virus 和Bacteria是什么意思?