class' graduation 怎么阅读句中high school students are busy putting together the yearbooks that'llbe handed out in the spring before the senior class' graduation.class' 是读class 还是 classes

class' graduation 怎么阅读句中high school students are busy putting together the yearbooks that'llbe handed out in the spring before the senior class' graduation.class' 是读class 还是 classes Graduation怎么读? graduation graduation Graduation graduation gap 指什么,怎么翻译 Ambum Of Graduation 中文怎么翻译 make more money upon graduation 这句话怎么理解啊,upon graduation? graduation用汉语怎么读（如music 迷贼可） graduation time anticipated graduation graduation PLAQUES graduation是什么意思 Anticipated Graduation graduation是什么意思 graduation是什么意思 Anticipated Graduation graduation是什么意思