1.九的英语单词是:Nine,英:[naɪn];美:[naɪn]。
2.We still sighted nine yachts.我们仍然看到有九艘游艇。
3.The judges awarded her three nines and an eight.评委给她打了三个9分,一个8分。
4.Shell be nine in April.她到四月份就九岁了。
5.Her daughters were aged nine and five.她的女儿一个九岁,一个五岁。