preempt的一般过去时怎么写？

preempt的现在进行时为：preempting...

The Clean Water Act expressly provides that it does not preempt more stringent state law.《洁净水法案》明确规定,该法并不先占更为严格的州法律.They do not preempt the land surface that is useful for other purposes.它们不预先占用对其它目的有用的地面.I advised him a...

preempt的音标：preempt的英式发音音标为：[prɪ'empt]preempt的美式发音音标为：[pri'ɛmpt]...

preempt的第三人称单数（三单）为：preempts...

preempt的现在完成时为：preempted...

vt.先占，取代，先取，先发制人...

cyale的音标：cyale的英式发音音标为：[sa'ɪeɪl]cyale的美式发音音标为：[sa'ɪeɪl]...

n.毕业生，校友，研究生...

他把剩下的饼干和奶酪一扫而光。He wolfed down the rest of the biscuit and cheese.酱汁太稀，奶酪味不足。The sauce was too runny and not cheesy enough.她给了莫莉一些吃的：一根鸡腿下段和一些奶酪。She offered Molly tidbits: a chicken drumstick, some cheese....

adv.小心谨慎地，节俭地，俭省地...

“面额”的英语可以翻译为：[经] （票面数额） denomination ...

absence的复数形式为：absences...

hydrocellulose的音标：hydrocellulose的英式发音音标为：[haɪdrə'seljʊləʊs]hydrocellulose的美式发音音标为：[haɪdrə'seljʊloʊs]...

n.整个经济不平衡...

[计] 编目程序...

coevality的音标：coevality的英式发音音标为：[kəʊi:'vælɪtɪ]coevality的美式发音音标为：[koʊi'vælɪtɪ]...

n.瞄准，视准...

n.特性描述，（对书或戏剧中人物的）刻画，塑造，描述方法，界定方法...

duralium的音标：duralium的英式发音音标为：[dju:'reɪljəm]duralium的美式发音音标为：[dju'reɪljəm]...

cheliform的音标：cheliform的英式发音音标为：['ki:lɪfɔ:m]cheliform的美式发音音标为：['kiləˌfɔm]...

bowlfuls的音标：...