| 释义 |
verb | noun | adjective precipitateprecipitate1 /prɪˈsɪpəˌteɪt/ verb ETYMOLOGYprecipitate1Origin: 1500-1600 Latin, past participle of praecipitare, from praeceps; ➔ PRECIPICE VERB TABLEprecipitate |
| Present | I, you, we, they | precipitate | | he, she, it | precipitates | | Past | I, you, he, she, it, we, they | precipitated | | Present perfect | I, you, we, they | have precipitated | | he, she, it | has precipitated | | Past perfect | I, you, he, she, it, we, they | had precipitated | | Future | I, you, he, she, it, we, they | will precipitate | | Future perfect | I, you, he, she, it, we, they | will have precipitated |
|
| Present | I | am precipitating | | he, she, it | is precipitating | | you, we, they | are precipitating | | Past | I, he, she, it | was precipitating | | you, we, they | were precipitating | | Present perfect | I, you, we, they | have been precipitating | | he, she, it | has been precipitating | | Past perfect | I, you, he, she, it, we, they | had been precipitating | | Future | I, you, he, she, it, we, they | will be precipitating | | Future perfect | I, you, he, she, it, we, they | will have been precipitating |
verb | noun | adjective precipitateprecipitate2 /prɪˈsɪpət̮ɪt, -ˌteɪt/ noun [countable, uncountable] science, chemistry a solid substance that has been chemically separated from a liquid verb | noun | adjective precipitateprecipitate3 /prɪˈsɪpət̮ɪt/ adjective formal THESAURUSsomeone who is impulsive does things without considering the possible problems or dangers first► impulsivesomeone who is impulsive does things without considering the possible problems or dangers first: He’s always making impulsive decisions about buying expensive things. These children tend to be impulsive and restless. ► rash if you do something rash, you do something dangerous or stupid without thinking carefully first. You can also say that a person who behaves like this is rash: Don’t make any rash decisions! You’re being rash – you don’t have to quit your job because of this. ► spontaneous a spontaneous activity, especially a good activity, is done suddenly, without planning it first. You can also use spontaneous about a person: They began a spontaneous game of hide-and-seek. ► impetuous formal someone who is impetuous often does things quickly because of his or her feelings, rather than thinking carefully first. Actions or decisions can also be impetuous: He is young and impetuous, and should not have been sent to deal with such a difficult situation. ► hasty a hasty action or decision is done too quickly, and usually has bad results: I was hasty in making my decision, and now I regret it. ► precipitate formal precipitate actions or decisions are made or done too quickly, without considering everything first: Perhaps I was too precipitate in my judgment. ► hotheaded someone who is hotheaded gets angry or excited easily and does things too quickly, without thinking: Two hotheaded teenagers got into a fight over a girl. done too quickly, especially without thinking carefully enough
► see thesaurus at impulsive—precipitately adverb |