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单词
strontium 90
释义
strontium 90 radioactive form of strontium found in the fall-out from nuclear explosions and extremely harmful to people and animals when taken into the body 锶 90(锶的放射性同位素).
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field-worker
fiend
fiendish
fiendishly
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fiercely
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fierily
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fiesta
FIFA
fife
fifteen
fifteenth
fifth
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fiftieth
fifty
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fifty pence
fig
fight
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更新时间:2026/2/12 19:37:45