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street children
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street children
Encyclopedia
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特殊处境儿童
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street children
流浪儿童
年龄在18周岁以下,离开家庭或监护人,流落于社会超过24小时,失去基本生存条件的可靠保障而陷于困境的未成年人。
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Oxford Movement
Oxford school
Oxford University Press
ox head-shaped agate cup
oxiacid
oxic facies
oxicology of atmospheric pollution
oxidability
oxidant
oxidant; oxidizing agent
oxidase
oxidation
oxidation-absorption process
oxidation activity of biohydrometallurgy microorganisms
oxidation alkali-leaching of mineral raw material at heat-pressure
oxidation catalyst converter
oxidation current
oxidation ditch activated sludge process
oxidation experiment
oxidation firing
oxidation half reaction
oxidation number
oxidation of indicator
oxidation of metal
oxidation of polymer
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