- law of conservation of energy 物理
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- law of conservation of matter 化, 物理
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- law of constant [or definite] proportions 化
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- Recht nt
浏览词典
- kennels
- kenosis
- kent
- Kentish plover
- Kentuckian
- Kepler's Laws
- kept
- keratin
- keratinised
- keratinized
- keratinous