pre.emp.tion 或 pre-emp.tion

preemption的音标和读音：
DJ音标发音： [pri:ˈempʃən]
KK音标发音： [priˈɛmpʃən]

preemption的词性：
n.（名词）

1. The right to purchase something before others, especially the right to purchase public land that is granted to one who has settled on that land.
先买权：先于他人的购某物的权利，尤指给予公地定居者的购买该公地的权利

2. A purchase made by such a right.
先买：通过该种权利所进行的购买

3. Prior seizure of, appropriation of, or claim to something, such as property.
先占：对某物如财产的抢先占有、占用或权利主张

preemption的词源：

4. pre-
pre-

5. Latin ?mpti? ?mpti?n- [buying] from ?mptus past participle of Latin emere [to buy] * see em-
拉丁语 ?mpti? ?mpti?n- [买] 源自 ?mptus 拉丁语 emere的过去分词 [买] *参见 em-