n. 

铅矿
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fritill,
fritillaria,
fritillarine,
fritillary,
fritilline,
fritimine,
fritiminine,
frito,
frits,
fritschinellaxanthin,
相似单词
Bellingham,
bellings,
Bellingshausen,
Bellini,
bellipotent,
bellite,
bell-jar,
bell-like,
bellman,
bellmouth,
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frivolity,
frivolous,
frivolously,
friz,
frizette,
frizz,
frizzing,
frizzle,
frizzled,
frizzling,
相似单词
Bellingham,
bellings,
Bellingshausen,
Bellini,
bellipotent,
bellite,
bell-jar,
bell-like,
bellman,
bellmouth,
n. 
砷铅矿
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frocking,
frocks,
froe,
Froebel,
Froebelian,
Froebelism,
FROF,
frog,
frog-belly,
frogbit,
相似单词
Bellingham,
bellings,
Bellingshausen,
Bellini,
bellipotent,
bellite,
bell-jar,
bell-like,
bellman,
bellmouth,
n. 
砷铅矿
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froggy,
froghopper,
frogleg,
froglet,
frogling,
Froglogs,
frogman,
frogmarch,
frog-march,
Frogmen,
相似单词
Bellingham,
bellings,
Bellingshausen,
Bellini,
bellipotent,
bellite,
bell-jar,
bell-like,
bellman,
bellmouth,
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frolicky,
frolicly,
frolicsome,
frolovite,
from,
from a to z,
from day to day,
from far off,
from generation to generation,
from hand to hand,
相似单词
Bellingham,
bellings,
Bellingshausen,
Bellini,
bellipotent,
bellite,
bell-jar,
bell-like,
bellman,
bellmouth,
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frutokinase,
fry,
Frye,
fryer,
fryers,
frying,
frying pan,
frypan,
fry-up,
FS,
相似单词
Bellingham,
bellings,
Bellingshausen,
Bellini,
bellipotent,
bellite,
bell-jar,
bell-like,
bellman,
bellmouth,
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FSF,
FSG,
FSGO,
FSH,
FSI,
FSIS,
FSK,
FSL,
FSLIC,
FSM,
相似单词
Bellingham,
bellings,
Bellingshausen,
Bellini,
bellipotent,
bellite,
bell-jar,
bell-like,
bellman,
bellmouth,
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F-synchronisation,
FT,
FT-207,
FTA,
FTAA,
FTAAP,
FTAC,
FT-AM,
FTB,
FTC,
相似单词
Bellingham,
bellings,
Bellingshausen,
Bellini,
bellipotent,
bellite,
bell-jar,
bell-like,
bellman,
bellmouth,
n. 
砷铅矿
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FTM,
FT-NMR,
ftorafur,
Ftorlon,
FTP,
FTPD,
ftps,
FTS,
FTSE,
FT-SE,
相似单词
Bellingham,
bellings,
Bellingshausen,
Bellini,
bellipotent,
bellite,
bell-jar,
bell-like,
bellman,
bellmouth,
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fuberidazol,
fuberidazole,
fubsy,
Fucaceae,
fucan,
fuchsia,
fuchsin,
fuchsine,
fuchsinophil,
fuchsinophile,
相似单词
Bellingham,
bellings,
Bellingshausen,
Bellini,
bellipotent,
bellite,
bell-jar,
bell-like,
bellman,
bellmouth,