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单词
D-layer
释义
D-layer
n. the lowest layer of the ionosphere able to reflect low-frequency radio waves.
Etymology
: D (arbitrary)
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poundage
poundal
pounder
pour
pourboire
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pow
powder
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powerboat
powerful
powerhouse
powerless
powerplant
powwow
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poxy
pozzolana
p. & p.
p.p.
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更新时间:2025/11/30 15:13:00