英翻英,根据英语句子写英语单词

问题描述:

英翻英,根据英语句子写英语单词
1 a very eager follower of a sport or a famous person
2 working in one of the professions
3 to throw with force
4 a covering to protect the head
5 favored by many people

fan
professional
fling
helmet
popular