题目内容：

英语单词单数变复数
plane dictionary cinema radio photo
watch brush month mouth box leaf wife
factory baby library life knife zero
zero potato tooth woman child sheep

优质解答

plane = planesdictionary= dictionariescinema = cinemasradio= radiophoto=photos watch =watchesbrush=brushesmonth mouth=mouths box=boxes leaf= leaves wife=wives factory= factories baby= babies library= ...