词汇 | sphincter |
释义 | sphincterWord family nounsphincteradjectivesphincteral Humansphinc·ter /ˈsfɪŋktə $ -ər/ noun [countableC] medical HBHa muscle that surrounds an opening in your body, and can become tight in order to close the opening 括约肌 Examples from the Corpus sphincter• the anal sphincter• The sphincters become leaky, and the urine overflows.• Thus it should not be assumed that older patients with ulcerative colitis have weaker sphincters than younger patients. (1500-1600) Late Latin Greek, from sphingein “to tie tightly” |
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