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单词
uranium 238
释义
uranium 238
【
化
】
铀238
(铀的同位素,质量数为238)
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stepping
stepping aside
stepping back
stepping down
stepping in
stepping-off place
stepping-off places
stepping on
stepping on it
stepping out
stepping stone
stepping-stone
stepping stones
stepping-stones
stepping up
step response
step rocket
step rockets
steps
steps aside
steps back
steps down
step short
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stepsister
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更新时间:2026/10/19 10:14:46