单词	booster
释义	booster noun boost·​er ˈbü-stər  : one that boosts: such as a : an enthusiastic supporter b : an auxiliary device for increasing force, power, pressure, or effectiveness c slang : shoplifter d : a radio-frequency amplifier for a radio or television receiving set e : the first stage of a multistage rocket providing thrust for the launching and the initial part of the flight f : a substance or dose used to renew or increase the effect of a drug or immunizing agent especially : booster shot Synonyms advocate advocator apostle backer champion espouser exponent expounder friend gospeler gospeller herald hierophant high priest paladin promoter proponent protagonist supporter true believer tub-thumper white knight See all Synonyms & Antonyms Example Sentences These exercises are real metabolism boosters. Music is my favorite mood booster. A sincere compliment can be a true confidence booster. The university has a number of wealthy boosters who contribute generously each year. a new design for rocket boosters Recent Examples on the Web In both cases, the boosters should be given at least two months after the last COVID-19 vaccine or booster. Beth Mole, Ars Technica, 2 Sep. 2022 Like with booster rates among those who aren’t pregnant, Black and Hispanic people trail behind. Duaa Eldeib, ProPublica, 4 Aug. 2022 Additionally, vaccination and booster rates are generally higher in the Bay Area, and anecdotally, some have observed that voluntary masking seems more common in the Bay Area than in L.A. County. Los Angeles Times, 25 July 2022 With the end of summer approaching — and with it, the start of school and more time spent indoors —Stenehjem said his greatest concern is Utah’s low booster rates. Paighten Harkins, The Salt Lake Tribune, 21 July 2022 Communities with a higher share of people who had earned at least an associate's degree tended to have higher Covid-19 vaccination and booster rates. Kristen Rogers, CNN, 22 June 2022 The city has led the nation in vaccination rates, but booster rates have stalled. New York Times, 19 May 2022 Two counties, Hamilton and Warren, have booster rates just above 50%. Terry Demio, The Enquirer, 4 Apr. 2022 Vaccination and booster shots are the best way to do that. Steve Sadin, Chicago Tribune, 15 Aug. 2022 See More Word History First Known Use 1888, in the meaning defined above Phrases Containing booster booster shot booster chair booster cushion booster dose booster seat booster shot booster chair booster cushion booster dose booster seat Medical Definition booster noun boost·​er ˈbü-stər  : a substance or dose used to renew or increase the effect of a drug or immunizing agent: such as a(1) : booster shot (2) : booster dose b : synergist sense 1 a chemical acting as a booster to sulfa drugs booster noun as in supporter a person who actively supports or favors a cause rah-rah boosters for the sports team will be attending the game and carrying large signs Synonyms & Similar Words Relevance supporter proponent advocate advocator exponent promoter friend champion white knight hierophant apostle protagonist true believer high priest backer tub-thumper herald paladin expounder stalwart gospeller loyalist cheerleader espouser adherent gospeler partizan interpreter cohort disciple follower encourager partisan applauder fellow traveler Antonyms & Near Antonyms opponent adversary antagonist enemy foe critic rival faultfinder belittler See More
随便看	pedicellariae pedicellate pedicelled pedicelliform Pedicellina Pedicellinidae pedicels pedicle pedicled pedicles Pedicularis pediculate pediculates Pediculati pediculaties pediculatis pedicule pediculi pediculid pediculidaes Pediculina pediculine pediculoid pediculoses pediculosis

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。