单词	gaster
释义	gaster noun gas·​ter ˈga-stər  : the enlarged part of the abdomen behind the pedicel in hymenopterous insects (such as ants) Example Sentences Recent Examples on the Web Repletes gorge until their gasters, or the back end of their bodies, swell with the sweet stuff. Liz Langley, National Geographic, 30 Oct. 2019 Using a type of fluorescent microscopy, researchers from Pennsylvania State University watched fungal colonization in ants from the gaster, the rear end of the abdomen, to the head—and found no trace of fungal cells in the brain. Jennifer Lu, National Geographic, 18 Apr. 2019 The winter ants also store their food reserves in their gasters, or rear ends, which gives them a pretty spectacular silhouette. Aimee Levitt, Chicago Reader, 6 Sep. 2017 Word History Etymology Greek gastēr First Known Use circa 1909, in the meaning defined above
随便看	keep (someone) at it keep (someone) guessing keep (someone) in his/her place keep (someone) on his/her toes keep (someone) posted keep (something) under one's hat keep (to) keep a civil tongue keep a close check on keep a close eye keep a close watch keep a close watch over keep a close watch/eye keep a cool head keep a diary keep a level head keep a lid on keep a lookout for keep a rein on keep a secret keep a sharp eye on keep a straight face keep a watch out for keep a watchful eye on keep a watchful eye on (someone or something)

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