prevent是由-pre和-event构成，pre-,在前，早于，预先，-vent,走，词源同advent,venue.比喻用法，这单词属性是名词，常见意思是预防，防止;阻止，用法较广，接下来，就让我们讲解一下prevent是什么意思 prevent是什么。

　　prevent是什么意思 prevent是什么

　　prevent

　　英 [prɪ'vent]美 [pri'vɛnt]

　　vt.预防，防止;阻止

　　vi.妨碍，阻止

　　中文词源：

　　prevent预防，防止

　　pre-,在前，早于，预先，-vent,走，词源同advent,venue.比喻用法。

　　prevent是什么意思 prevent是什么

　　英语词源：

　　prevent：

　　prevent:[15] if youpreventsomeone, you ‘come before’ them (and indeed that literal meaning of the verb survived for some time: thomas cromwell wrote in 1538 ‘i have sent it unto him after the departure of the said muriell, to the intent he might prevent the ambassadors post and you have leisure to consult and advise upon the same’; and as late as 1766 we find in frances sheridan’ssidney biddu**h‘i am an early riser, yet my lord v – prevented me the next morning, for i found him in the parlour when i came downstairs’).

　　the word comes from latinpraevenīre, a compound verb formed from the prefixprae- ‘before’ andvenīre‘come’. already in latin, though, it had progressed semantically from ‘come before’ via ‘act in advance of, anticipate’ to ‘hinder’, and this meaning emerged in english in the 16th century.

　　=>adventure,venue

　　权威例句：

　　1. a dentist may decide to extract the tooth topreventrecurrent trouble.

　　牙医可能会决定拔掉那颗牙，以免反复发作。

　　2. the security zone was set up topreventguerrilla infiltrations.

　　设立了安全区以防止游击队员的渗入。

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