1、perceive by the ear 通过耳朵感觉到2、perceive dimly〔vaguely〕 隐约地感觉到3、perceive distinctly〔plainly〕 清楚地感觉到4、perceive easily 容易看到5、perceive tangibly 明确地感觉到6、perceive tremulously 颤动地感觉到7、perceive vividly 强烈地感觉到8、perceive superficially 表面地看到。