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draw water in a sieve
释义
draw water in a sieve
用筛子吊水,竹篮打水一场空;白费力气,徒劳[亦作 pour water into a sieve]
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polyuridylic acid
Polyuridylic Acids
polyvalence
polyvalences
polyvalent
polyvalent number
polyvalent retreatment plant
polyvalent vaccine
polyversities
polyversity
polyvinyl
polyvinyl acetal
polyvinyl acetals
polyvinyl acetate
polyvinyl acetates
polyvinyl alcohol
polyvinyl alcohols
polyvinyl carbazole
polyvinyl chloride
polyvinyl chloride acetate
polyvinyl chlorides
polyvinyl dichloride
polyvinyl ether
polyvinyl ethyl ether
polyvinyl fluoride
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更新时间:2025/1/9 23:11:04