Tenaciousness
固执
✅ 同义词
🗣️ 情景例句
Anything else?
还有别的事吗？
Each bird likes to hear himself sing.
每一只鸟都爱听自己歌唱。
the first group began to show some personality disorders while the others seemed more or less unaffected.
结果，第一组人开始出现性格失常，而第二组人似乎没受什么影响。