| 词汇 | rat |
| 释义 | rat noun[ C ] uk /ræt/ us /ræt/ ratnoun[C] (ANIMAL)A2 a small rodent, larger than a mouse, that has a long tail and is considered to be harmful: 鼠;老鼠;大家鼠 Rats carry disease.老鼠传播疾病。 I think we've got rats (= there are rats in our house).我觉得家里有老鼠。 GlobalP/iStock/Getty Images Plus/GettyImages Bottles of lemonade doctored with rat poison were discovered in the kitchen.厨房里发现了几瓶掺了老鼠药的柠檬汁。 In biology classes at school we used to dissect rats. The period of gestation of rats is 21 days.老鼠的妊娠期是21天。 The barn was infested with rats.谷仓里到处都是老鼠。 We put down some poisoned bait to kill the rats.我们放了一些毒饵灭鼠。 Rodents & similar animals beaver bunny capybara chinchilla chipmunk coney cony gerbil gopher groundhog guinea pig hamster marmot mice mole prairie dog rabbit red squirrel vole woodchuck ratnoun[C] (PERSON)informal an unpleasant person who deceives others or is not loyal卑鄙小人；骗子；背信弃义的人 People who reveal secrets & tell tales big mouth blabbermouth dobber fink grass informer nark rumour-monger scandalmonger scaremonger sneak snitch source stool pigeon supergrass tattletale telltale whistle-blower Idiomlike rats leaving a sinking ship RAT noun[ C ] uk /ræt/ us /ræt/ abbreviation for rapid antigen test: a test done using a small medical device that tests whether or not there is a particular substance, gene, etc. in a sample(= a small amount of a substance): A RAT is a quick home test to check if you may have Covid-19. It is important to store RATs at the right temperature. Synonym LFT Some people get a false negative result on a RAT. Some RATs require swabs both from the nose and the mouth. Eating or brushing your teeth before taking a RAT swab can affect the results. Medical treatment: symptoms & diagnosis of medical problems adverse reaction aerophobia aggressively amyloid anoxia consensus conference contraindicated contraindication ct CT scan diagnostic non-responsive pathologically PCR PCR test phlebotomy undiagnosed vital signs vitals VO2max rat | American Dictionaryrat noun[ C ] us/ræt/ ratnoun[C] (ANIMAL)a small animal that looks like a large mouse: A rat was sniffing around the trash. ratnoun[C] (PERSON)infml an unpleasant person who deceives or is not loyal |
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