pre-empt

verb

/ˌpriː ˈempt/

动词形式

present simple I / you / we / they pre-empt	/ˌpriː ˈempt/ /ˌpriː ˈempt/
he / she / it pre-empts	/ˌpriː ˈempts/ /ˌpriː ˈempts/
past simple pre-empted	/ˌpriː ˈemptɪd/ /ˌpriː ˈemptɪd/
past participle pre-empted	/ˌpriː ˈemptɪd/ /ˌpriː ˈemptɪd/
-ing form pre-empting	/ˌpriː ˈemptɪŋ/ /ˌpriː ˈemptɪŋ/

pre-empt something to prevent something from happening by taking action to stop it预先制止；防止；避免
- Her departure pre-empted any further questions.她的离去使别人无法再追问下去。
- A good training course will pre-empt many problems.良好的培训课程会防止许多问题产生。
- The government announced it had pre-empted a coup attempt.政府宣布已经制止了一次政变企图。
pre-empt somebody/something to do or say something before somebody else does抢在…之前做（或说）；先发制人
- She was just about to apologize when he pre-empted her.她正想道歉，他却抢先说了。
- I do not want to pre-empt anything that the treasurer is going to say.我不想抢先透露财政部长讲话的任何内容。
- It would be wrong for me to pre-empt any future decision the committee might make.我预先决定委员会将来可能做出的任何决定是错误的。
pre-empt something (North American English) to replace a planned programme on the television临时取代（电视节目表上的节目）
- The scheduled programme will be pre-empted by a special news bulletin.预定的节目将临时换成特别新闻简报。

词源mid 19th cent.: back-formation from pre-emption.