https://online2.tingclass.net/lesson/shi0529/0009/9907/878.mp3
https://image.tingclass.net/statics/js/2012
swan song 絕筆，最后作品，(藝術(shù)家、演員等的) 告別演出，天鵝臨死時(shí)的哀鳴
This book is believed to be his swan song.
這本書被公認(rèn)為他的最后一部作品。
Tonight's game is my swan song.
今晚是我的告別之戰(zhàn)。
