rocaille
n. 花园石贝装饰物;状似贝壳的装饰
例句
These were called 'Rococo', a taste that sprang from the French word 'Rocaille' which literally meant rocky or shell encrusted and which flourished between 1730 and 1780.
“洛可可”一词来源于法国的单词“Rocaille”,意思是用石子和贝壳做的装饰。从1730年到1780年洛可可风格风靡一时。