单词 | radiation level |
释义 | > as lemmasradiation level radiation level n. ΚΠ 1939 Proc. Amer. Philos. Soc. 81 453 Some embryos hatched at all radiation levels except 10,000 r. 1993 Guardian 18 Oct. i. 8/2 A monitor aboard the Greenpeace vessel..said he had measured radiation levels in the air that were more than 10 times the normal level. < as lemmas |
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