Definition: main or most important Level: C2
警方已经确定了这起谋杀案的主要嫌疑人。
The police have identified the ___prime suspect in the murder investigation.
总统是刺客子弹的主要目标。
The president is a ___prime target for the assassin's bullet.
了解文化和历史至关重要。
It is of ___prime importance to find out about culture and history.
