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单词
E-layer
释义
E-layer
n. a layer of the ionosphere able to reflect medium-frequency radio waves.
Etymology
: E (arbitrary) + LAYER
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secede
secession
seclude
seclusion
second
secondary
seconde
second-hand
secondly
secondo
secrecy
secret
secretaire
secretariat
secretary
secrete
secretion
secretive
sect
sect.
sectarian
sectary
section
sectional
sector
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更新时间:2025/11/14 16:57:39