He gets as nervous as I do,but somehow rocks in his seat and keeps quiet
问题描述：
He gets as nervous as I do,but somehow rocks in his seat and keeps quiet
这句话什么意思,somehow充当什么成分
答
这句话的意思是：他变得像我一样紧张,但是不知怎么地他就是在他的座位上颤抖,他尽量保持的淡定.
somewhat在这里做副词,修饰动词rock