基本解释n.帽子名词cap的复数形式.同根派生 英汉例句用作名词 (n.)A new vogue in caps seemed to have set in.一种新式样的帽子似乎流行起来了。They threw up their caps to show greeting to us.他们把帽子抛起来，表示对我们的欢迎。