pre-empt

1. 先占：Drawing图解 | Pre-empt先占 | Conceive想出

2. 先发制人：brake pedal,刹车踏板 | pre-empt,先发制人 | all but,几乎

3. 优先占用资源：pre-determined 预先设定的罚则 | pre-empt 优先占用资源 | resources pre-emption 优先购买权;徵 优先认购权;优 优先购买权;先

4. 先买权：pre-empt 以先买权取得 | pre-empt 先买权 | de facto 事实上的,实际上的

1. 抢先行动；预先制止；先发制人
    If you pre-empt an action, you prevent it from happening by doing something which makes it unnecessary or impossible.

    e.g. You can pre-empt pain by taking a painkiller at the first warning sign...
           刚出现征兆时，就服用止痛片来预防疼痛。
    e.g. He pre-empted any decision to sack him...
           他预先阻止了所有解雇他的决定。

noun