单词学习：omnipresence 名词
omnipresence
/ˌɒmnɪˈprezəns/
无所不在，普遍存在
The omnipresence of technology in modern classrooms is a topic that Teacher Gu often discusses with her students.
现代课堂中技术的无所不在是顾老师经常与学生讨论的话题。
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