definitive
adj
clear and having final authority; that cannot or need not be changed 明確的; 有權威的; 不能或不必改變的; 決定性的
a definitive answer, solution, verdict, etc 明確的答覆、 確切的解決方法、 陪審團的最終裁決
Her book is the definitive work on Milton. 她的書是論述米爾頓的權威著作.
a definitive edition, eg one revised by the author himself 選定版(如作者親自修訂的版本).
No, just a few. For example, most Canadians say news [nju:z], but Americans say [nu:z]. We mainly use American words, but we use quite a lot of British words too. We fill our cars with gas, which is American, but we turn on the tap which is British En