remarkable placidity 非凡的平静
sense of placidity 宁静感
maintain placidity 保持沉着
natural placidity 天生的温和
A: How can you remain so calm while everyone else is panicking?
A：当其他人都恐慌时，你如何能保持如此冷静？
B: It is just my natural placidity; I try not to let things bother me.
B：这只是我天生的沉着；我努力不让事情困扰我。
1) 状态上的平静或宁静
2) 性情上的温和或沉着
3) 环境的安详或幽静
1. 平静，宁静，沉着
noun
1. the quality of being calm and peaceful
Synonym: calmness, serenity, tranquility