Cap.
n. 头儿；主人
例句
He often wore a baseball cap.
他经常戴顶棒球帽。
《柯林斯英汉双解大词典》
She tucked her hair (up) under her cap.
她把头发拢起来塞进帽子里。
《牛津词典》
Rain dripped from the brim of his baseball cap.
雨水从他的棒球帽檐上滴下来。
