Diprotic
双质子的
🗣️ 情景例句
Good-bye. And hope to see you soon.
再见。希望很快再见到你们。
Any kind of backing out of the contract will be charged a penalty as has been stated in the penalty clause.
任何背弃合同的行为将受到惩罚，这已在处罚条款里写得很清楚了。
But real tramps are not beggars.
但真正的流浪并不是乞丐。