单词	superheavy
释义	superheavy adjective su·​per·​heavy ˌsü-pər-ˈhe-vē  : extremely heavy superheavy furniture superheavy traffic a superheavy discussion with his mother especially, chemistry : relating to or being a chemical element with a greater atomic mass than that of uranium The existence of superheavy elements, those with many more protons than uranium (proton number 92), was predicted more than 40 years ago. Georg Bollen superheavy noun plural superheavies In February the world was treated to a transcontinental eureka moment: Scientists … announced they had discovered two new chemical elements. Called superheavies because of their large atomic mass, elements 113 and 115 lasted little more than a second. Elizabeth Svoboda Word History First Known Use 1822, in the meaning defined above
随便看	sergeant major of the army sergeant major of the marine corps sergeant majors sergeant of the guard sergeant-at-law sergeant-at-mace sergeantcies sergeanties sergeantry sergeants sergeants major sergeants-at-mace sergeantship sergeantships Platyelminthes platyfish platyfishes Platygasteridae Platyhelmia platyhelminth platyhelmintheses platyhelminthesses platyhelminthic platyhelminths platykurtic

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