词汇 | stadium |
词根词缀 | 词源: late 14c., "a foot race, an ancient measure of length," from L. stadium "a measure of length, a race course" (commonly one-eighth of a Roman mile; translated in early English Bibles by furlong), from Gk. stadion "a measure of length, a running track," especially the track at Olympia, which was one stadium in length. The Gk. word may literally mean "fixed standard of length" (from stadios "firm, fixed," from PIE base *sta- "to stand"), or it may be from spadion, from span "to draw up, pull," with form infl. by stadios. The meaning "running track," recorded in English from c.1600, was extended to mean in modern-day context "large, open oval structure with tiers of seats for viewing sporting events" (1834). 词根记忆: n. 体育场The radiation radius of the radioactive radium radiator in the stadium is variable.放射性的镭暖气装置的辐射半径在体育场是易变的. |
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