U
adj.钮扣解开的；放松的；无约束的
adj.钮扣解开的；放松的；无约束的
英英释义
"the wind picked up the hem of her unbuttoned coat"
"this unbuttoned and disrespectful age"
"unlaced behavior in the neighborhood pub"
经典引文
They were fencing with unbuttoned foils.
出自：A. Price