Pernitric acid
[化] 过硝酸
🧩 词语组成解析
🗣️ 情景例句
I want to end our relationship.
我想结束咱俩的关系。
We'll have fine weather for the next few days?
以后几天天气晴朗。
After speaking for about half an hour he came to a sad part of the family history.
大约谈了半个小时之后，他谈到了家族史中的一件伤心事。