the difference between seeing words, hearing words, reading words and generating words can correspond to different aspects of what part of your brain is active.

看到词句,听到词句,阅读词句,创造词句,这些不同的活动,会激活你不同的大脑区域

耶鲁公开课 - 心理学导论课程节选

And so, an English speaker can hear the difference between "Lip" and "Rip" and that corresponds to two different words in English.

所以,英语说话者可以听出,"Lip"和"Rip"之间的差别,而这两种声音在英语中对应了不同的单词

耶鲁公开课 - 心理学导论课程节选