composedness
n. 镇定；沉著
近义词：nonchalance，
例句
用作名词(n.)
- And Jenny's composedness brought forth a positive effect.珍妮的镇定产生了积极的影响。
- Please remember to keep composedness when you deal with urgency things,that is improtant.在处理紧急事情时要记住最重要的事情是保持镇定。