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词汇
betaine
释义
betaine
betaine
D.J.:[ˈbi:təi:n]
K.K.:[ˈbitəˌin, -ɪn]
n.
1.
■
甜菜碱,三甲铵乙内酯
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positioning pointer
positioning relay
positioning screw
positioning servo
positioning servomechanism
positioning spigot
positioning subsystem
positioning system
positioning table
positioning time
position-invariance
position invariant operation
position isomer
position-isomeric
position isomerism
position joining
position lamp
position learning time
position length
position light
position light dwarf
position lights
position light signal
position limit
position limitation
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