翻译：我最近还在另一个地方说过：艺术的最高境界是无技巧。
英语翻译：人类文明的发祥地
Wordsthatareidenticalonlyinspellingbutdifferentinsoundandmeaningarecalled______.
EmpiricalstudiesshowthattheprocessofSLAisaprocessofconstructingandmodifyingrulesofcommunication.
Onecanfigureoutthemeaningof“airmail”tobe“mailbyair”byits______.
