可数名词复数做整体来讲的话,仍需+s的复数形式吗? RT 比如,MI courses (需要复数 )as vital components (也是复数形式吗?)of other learning experience are (这里呢?) the main out of classroom activitivies school design and implement in JCPS. 因为我想表达这种类型的课程是一个整体啊,所以后面的component和activities都用复数的话有点奇怪吧.