English主要词典
placid
Universal Words
adjective
1 (of a person or an animal) not easily excited or irritated:
a placid baby / horse
OPPHIGH-SPIRITED
2 calm and peaceful, with very little movement:
the placid waters of the lake
placidly adverb:
'Of course,' said Helen placidly. * The river sparkled placidly in the sun.
placidity noun [U]