n. 

壳
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downfallen,
downfaulted,
down-feather,
downfield,
downflow,
downfold,
downgrade,
downgrowth,
downhand,
downhaul,
相似单词
ammonionitrometry,
ammonistion,
ammonit,
ammonite,
ammonites,
ammoniticone,
ammonium,
ammonium alum,
ammonium carbamate,
ammonium carbonate,
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downland,
downlap,
downlead,
down-lead,
downless,
downlight,
downline,
downlink,
download,
Downloadable,
相似单词
ammonionitrometry,
ammonistion,
ammonit,
ammonite,
ammonites,
ammoniticone,
ammonium,
ammonium alum,
ammonium carbamate,
ammonium carbonate,
n. 

壳
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downproofs,
downpunch,
downramp,
downrange,
downrate,
downright,
downriver,
downrun,
downrush,
downs,
相似单词
ammonionitrometry,
ammonistion,
ammonit,
ammonite,
ammonites,
ammoniticone,
ammonium,
ammonium alum,
ammonium carbamate,
ammonium carbonate,
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downslope,
downsman,
downspout,
downspouting,
downsprue,
downstage,
downstair,
downstairs,
downstate,
downstater,
相似单词
ammonionitrometry,
ammonistion,
ammonit,
ammonite,
ammonites,
ammoniticone,
ammonium,
ammonium alum,
ammonium carbamate,
ammonium carbonate,
n. 
石壳
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downtank,
down-the-hole,
downthrow,
downthrust,
downtick,
down-tilter,
downtime,
down-to-earth,
Downtonian,
down-to-time,
相似单词
ammonionitrometry,
ammonistion,
ammonit,
ammonite,
ammonites,
ammoniticone,
ammonium,
ammonium alum,
ammonium carbamate,
ammonium carbonate,
n. 
石壳
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doxenic,
doxepin,
doxofylline,
doxographer,
doxology,
doxorubicin,
doxorubicine,
doxpicomine,
doxy,
doxycycline,
相似单词
ammonionitrometry,
ammonistion,
ammonit,
ammonite,
ammonites,
ammoniticone,
ammonium,
ammonium alum,
ammonium carbamate,
ammonium carbonate,
n. 

壳
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dozens,
dozens of,
dozenth,
dozer,
dozers,
dozine,
dozing,
dozy,
dozzle,
DP,
相似单词
ammonionitrometry,
ammonistion,
ammonit,
ammonite,
ammonites,
ammoniticone,
ammonium,
ammonium alum,
ammonium carbamate,
ammonium carbonate,
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DPI,
DPL,
DPM,
DPMA,
DPMI,
DPMS,
DPN,
DPO,
DPOF,
DPOIR,
相似单词
ammonionitrometry,
ammonistion,
ammonit,
ammonite,
ammonites,
ammoniticone,
ammonium,
ammonium alum,
ammonium carbamate,
ammonium carbonate,
n. 
石壳
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DPU,
DPW,
DQDB,
d-quark,
DR,
Dr.,
draa,
drab,
drabbet,
drabble,
相似单词
ammonionitrometry,
ammonistion,
ammonit,
ammonite,
ammonites,
ammoniticone,
ammonium,
ammonium alum,
ammonium carbamate,
ammonium carbonate,