• 安心ān xīn disburden, ease, easement, reassurance, set one's heart at rest
• 慰问品wèi wèn pǐn easement
• 保存bǎo cún save, conservation, conserve, hold, keep, preservation, preserve, preserving
• 城市节水chéng shì jiē shuǐ urban water conservation
• 节能jiē néng energy conservation
• 节水的好处jiē shuǐ de hǎo chù conservation benefits
• 节约用水jiē yuē yòng shuǐ water conservation; saving water
• 节约用水先进城市jiē yuē yòng shuǐ xiān jìn chéng shì model city of water conservation
• 能量守恒néng liàng shǒu héng conversation of energy; conservation of energy; energy conservation
• 能量守恒定律néng liàng shǒu héng dìng lǜ law of conservation of energy; conservation of energy
• 能源保护néng yuán bǎo hù energy conservation
• 森林保护sēn lín bǎo hù forest conservation
• 守恒shǒu héng conservation; conserve
• 守恒定律shǒu héng dìng lǜ conservation law
• 土壤保持tǔ rǎng bǎo chí soil conservation
• 物质守恒定律wù zhì shǒu héng dìng lǜ law of conservation of mass
• 质量守恒定律zhì liàng shǒu héng dìng lǜ conservation of mass

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ammonium chloride, ammonium hydroxide, ammonium ion, ammonium nitrate, ammonium-syngenite, ammoniuria, ammonization, ammonlbacteria, ammono, ammonobase,

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3G, 401(K), a,

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ammophilous, ammophos, ammo-phos, ammophoska, ammoresinol, ammotherapy, ammoxidation, ammunition, amnesia, amnesiac,

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3G, 401(K), a,

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amniocyte, amniogenesis, amniography, amnioma, amnion, amniongenesis, amnionic, amnionitis, amniorrhea, amniorrhexis,

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3G, 401(K), a,