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氦同位素

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helium isotope

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clergy-house, clergyman, clergyperson, clergywoman, cleric, clerical, clerical collar, clericalism, clericalist, clericalization,

相似单词


氦检漏器, 氦氖激光, 氦气, 氦气氛, 氦气瓶, 氦同位素, 氦氧混合剂, 氦制冷机, , 害病,