Rheonomic
非稳恒的, 与时间有关的
🗣️ 情景例句
A foreign diplomat grabbed his chopsticks as a historic souvenir.
一名国外的外交人员就拿起他用过的筷子，用它作为具有历史意义的纪念品。
It is convenient to know the language.
掌握这门语言会带来方便。
That's better.
好多了。