addition的形容詞形式是什么

　　This system imposes additional financial burdens on many people.

　　這個制度給很多人增加了額外的經濟負擔。

　　Provide them with additional background or with supplementary information.

　　給他們提供額外的背景資料或補充信息。

　　The government provided an additional  25 million to expand the service.

　　政府另撥2500萬英鎊用于擴展該服務項目。

　　Shares and bonds can bring one quite a considerable additional income.

　　股票和債券能給人帶來不菲的額外收入。

　　There are additional publications of special relevance to new graduates.

　　還有對于新畢業生來說特別重要的其他出版物。