definitive

1. 明确的;最终的;不可更改的;决定性的
Something that is definitive provides a firm conclusion that cannot be questioned.

definitive的翻译

e.g. No one has come up with a definitive answer as to why this should be so...
对于为什么应该是这样，还没有人想出最终确定的答案。
e.g. There is no definitive test as yet for the condition.
对这种病目前还没有决定性的检测手段。

2. （书籍或表演）最佳的，最具权威的
A definitive book or performance is thought to be the best of its kind that has ever been done or that will ever be done.

definitive

e.g. His 'An Orkney Tapestry' is still the definitive book on the islands.
他的《奥克尼挂毯》一书仍是关于这些岛屿的最权威著作。

1. definitive在线翻译

1. 确定,最后的：definite 明确,确定的 | definitive 确定,最后的 | deflect 使偏斜,使转向

2. 确定的, 明确的：- unprofessional 外行的 | - definitive 确定的, 明确的 | - thorough 完全的, 彻底的