再见的单词是:goodbye.
goodbye:int./n.再见;再会。
相关介绍Off she went without so much as a 'goodbye'.

(图片来自网络侵删)
她连声“再见”都没说就走了。
Goodbye! It was great to meet you.
再见!认识你很高兴。
They said goodbye and went their several ways.
他们道别后,便各自走了。
She didn't even say goodbye to her mother.
她甚至没有向母亲道个别。
Take out our service contract and say goodbye to costly repair bills.
接受我们的服务合同,告别昂贵的修理费吧。