1. 平稳：placid 平静的 | placidity 平稳 | placidly 平稳地
2. 平稳/平静/温和：placid /平稳的/平静的/沈著的/满足的/澹/ | placidity /平稳/平静/温和/ | placidly /平稳地/宁静地/沉着地/
3. 平稳; 温和; 沉着 (名)：placid 平静的, 平稳的, 沉著的 (形) | placidity 平稳; 温和; 沉着 (名) | placidness 平静 (名)
noun
1. a disposition free from stress or emotion
Synonym: repose quiet serenity tranquillity tranquility
2. 911查询·英语单词
2. a feeling of calmness
a quiet and undisturbed feeling
Synonym: placidness