player.driver.runner.winner.traveller.visitor.water.的动词是什么?

player.driver.runner.winner.traveller.visitor.water.的动词是什么? 哪些动词+er成为名词?（除了worker,teacher,driver,runner,swimmer,reader,painter,singer,dancer,writer,rider,player,winner) runner athlete player的区别 athlete等于什么player还是runner 懂简单英语的人士快进入work-worker paint-painter teach-teacher sing-singer drive-driver dance-dancer run-runner write-writer swim-swimmer ride-rider read-reader play-player你能再举4个例子吗?你能总结这些变化的规律吗?帮 Are you a ------?Yes.I work in a shoe store.A.player B.clerk C.runner D.star driver runner and runner是什么意思 driver 这个词在句子中的解释List the possible drivers for the following activities of a DVD player manufacturer; 1.my parents are worried about my_______(succeed)at school2.Yao ming is a ________(profession)basketball player.3.Do you know the_________（important)of learning english?4.Liu yu is serious about________（be)a runner driver driver 我是要全意哦. marathon runner是什么意思 Runner eats well! maze runner是什么意思 running runner 区别 two-stage runner, 1st runner up runner什么意思?