affidavit/ˌæfɪˈdeɪvɪt; ˌæfə`devɪt/ n(law 律) written statement that can be used as evidence in court, made by sb who swears that it is true （宣誓属实可用作法庭证据的）书面证词; 宣誓书 swear/make/take/sign an affidavit 订立[签署]宣誓书.
牛津英汉双解词典