P 开头单词
pre-existent adj.先在的
pre-exist illustration [心理学]预置插图
pre-exist (=preexist) vi.vt.先存在； 先于 ... 而存在
pre-established allowable deviation [能源科学技术]预定允许偏差[教育学]预定允许偏差
pre-establish vt.预先设定
pre-eruptive adj.抢先的; 先发制人的
pre-enrichment 预富集
pre-emptive treatment [医药科学]先驱性治疗
pre-emptive right 优先权 [金融] 优先认购权
pre-emptive bid [经济学]优先出价权
pre-emptive adj.优先购买的；先发制人的
pre-emption rights 优先购买权