After years of research, the scientist declared that the fossil belonged to a previously unknown species of dinosaur.
经过多年研究，科学家宣布这块化石属于一种以前未知的恐龙物种。
Which choice best defines “declare”?
B — State formally. “declare” means state formally.
Which word means “state formally”?
D — declare. “declare” means state formally.
declare — state formally. In Chinese: 声明，宣布.
declare is pronounced /dɪˈkleər/.
After years of research, the scientist declared that the fossil belonged to a previously unknown species of dinosaur. (经过多年研究，科学家宣布这块化石属于一种以前未知的恐龙物种。)
announce, proclaim, state — all close in meaning to declare (state formally).
retract, withdraw — each the opposite of declare (state formally).
Yes. declare is on the SAT Prep Basic list — the everyday academic words the SAT assumes you already have. The Digital SAT does not test vocabulary in isolation; words like this one are tested through Words in Context questions, where you choose the word that completes a passage most logically and precisely.
de(strengthen)+clare(clear)