Nonvolatility
不挥发性
🗣️ 情景例句
Clean? You call this clean?
干净这样算干净？
Not only did he make a promise, but he also kept it.
他不仅许下诺言，而且遵守了。
A young man and a young woman were sitting behind me.
一青年男子与一青年女子坐在我的身后，