1. 主要的；首要的；最为重要的
    You use prime to describe something that is most important in a situation.

    e.g. Political stability, meanwhile, will be a prime concern...
           同时，政治稳定性将放在首位。
    e.g. It could be a prime target for guerrilla attack...
           这可能是游击队进攻的主要目标。

2. 优质的；一流的；上等的；最好的
    You use prime to describe something that is of the best possible quality.

    e.g. It was one of the City's prime sites, near the Stock Exchange.
           这是伦敦最好的地段之一，离证券交易所很近。

3. 最典型的；最有代表性的
    You use prime to describe an example of a particular kind of thing that is absolutely typical.

    e.g. The prime example is Macy's, once the undisputed king of California retailers.
           最典型的例子是梅西百货，它曾经是加利福尼亚无可争辩的零售巨头。

4. 全盛时期；最活跃时期；最成功时期
    If someone or something is in their prime, they are at the stage in their existence when they are at their strongest, most active, or most successful.

prime

    e.g. Maybe I'm just coming into my prime now...
           也许我现在正要步入事业辉煌期。
    e.g. She was in her intellectual prime...
           在智力上，她正处于壮年。

5. 事先指点；使做好准备
    If you prime someone to do something, you prepare them to do it, for example by giving them information about it beforehand.

    e.g. Claire wished she'd primed Sarah beforehand...
           克莱尔真希望她事先指点过萨拉。
    e.g. Arnold primed her for her duties...
           阿诺德事先让她熟悉了自己的任务。

6. 把（炸弹、枪支）装好
    If someone primes a bomb or a gun, they prepare it so that it is ready to explode or fire.

prime在线翻译

    e.g. He was priming the bomb to go off in an hour's time...
           他正在装炸弹，设定为在一个小时之内爆炸。
    e.g. Tom keeps a primed 10-foot shotgun in his office.
           汤姆在办公室放了一支装了子弹的10英尺长的猎枪。

7. to prime the pump -> see pump