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13
graticule
attempt
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acetyl chloride
120
aardwolf
bayes
above-mentioned
inclined
fulminate of mercury
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1st class
1st class
/fɜrst klæs/
noun
Mail that includes letters and postcards and packages sealed against inspection
(
1st class
,
1st-class mail
,
first class
,
first-class mail
)
mail that includes letters and postcards and packages sealed against inspection
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