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单词
ppb
释义
ppb
abbr.
(略语)
Parts per billion.
十亿分率,十亿分之…
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becomes
becoming
becoming
becomings
becquerel
Becquerel
becquerels
bed
bed
BEd.
Beda
bed-and-breakfast
bedaub
bedazzle
bedbug
bedchamber
bed check
bedclothes
bedcover
bedded
bedding
bedding
bedding plant
beddings
Beddoes
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更新时间:2026/2/27 20:09:50