Protiums
n. [核] 氕（氢的同位元素）
🗣️ 情景例句
I heard you cheated on your exams.
我听说你考试作弊了。
Content is better than riches.
知足常乐。
It was necessary to recognize that these institutions which are based on the same premises,
必须认识到，这些建立在相同前提基础上的风俗，