单词	PET scan
释义	PET scan noun ˈpet-  : a sectional view of the body constructed by positron-emission tomography PET scanner noun PET scanning noun Word History First Known Use 1980, in the meaning defined above Medical Definition PET scan noun ˈpet-  : a sectional view of the body constructed by positron-emission tomography
随便看	half-tongue half-track half-tracked half-truth half-truths half-turn half-volley half-wave plate half-wave rectifier half-wit half-wits half-witted half-wittedness half-world half-worlds half-yearly halfa halfas halfback isophotes isophotic line isophthalic acid Isophyllia isophyllous isophylly

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