quickly的形容词和反义词是？
quick adj. 快的，迅速的；敏捷的；灵敏的；
反义词slow adj. 慢的；减速的；迟钝的；乏味的；
The kids were quick to learn.
那些孩子学东西很快。
Progress is disappointingly slow.
进展慢得令人失望。
He kept giving quick blinks.
他不停地快速眨眼。
I had to do some quick thinking.
我得迅速思考一番。
The process was needlessly slow.
进程过于缓慢了。
The service is maddeningly slow.
服务慢得让人恼火。