adj.平静的；镇定的；沉着的；无波浪的
英英释义
"the waiters were unflurried and good natured"
"with contented mind and unruffled spirit"
"a ribbon of sand between the angry sea and the placid bay"
"the quiet waters of a lagoon"
"a lake of tranquil blue water reflecting a tranquil blue sky"
"a smooth channel crossing"
"scarcely a ripple on the still water"
"unruffled water"
