Is held in Suzhou, the twenty-third World Heritage Conference.

　　就是在蘇州舉行了第二十三屆世界遺產(chǎn)大會(huì)。

　　Our Company is having a Drilling Technical Competition on the afternoon of the twenty-third.

　　我們公司在23日下午舉行鉆井技術(shù)比賽。

　　I'd like to book a room, please, for the twenty-third of december.

　　我需要訂一間房，日期是十二月二十三日。

　　After having lunch, I learned the twenty-third episode of Friends.

　　吃過午飯之后，我學(xué)習(xí)了《老友記》第二十三集。

　　And, er, what time will you be arriving on the twenty-third?

　　還有，哦，您二十三日什么時(shí)候到？