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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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catch phrase
catchpole
catchpoll
catchup
catchup
catch-up
catchword
catchy
catch–as–catch–can
catch–up
cate
catecheses
catechesis
catechin
catechins
catechise
catechism
catechisms
catechist
catechists
catechize
catechized
catechizes
catechizing
catechol
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更新时间:2026/3/24 13:24:13