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单词
ppb
释义
WordReference Random House Unabridged Dictionary of American English © 2024
PPB,
Printing
(in publishing) paper, printing, and binding.
Also,
P.P.B.
ppb,
Printing
(in publishing) paper, printing, and binding.
Weights and Measures
parts per billion.
Also,
p.p.b.
随便看
half life
half-life
halflife
half-light
half-line
half-liter
half-long
half-mast
half measure
half-mile
half-miler
half moon
half-moon
halfmoon
half mourning
half nelson
half-nelson
half note
half-note
half pay
half-peck
halfpence
halfpennies
halfpenny
halfpennyworth
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更新时间:2025/8/1 5:30:13