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单词
D-region
释义
Definition of
D-region
in English:
D-region
noun
another term for D-layer
Example sentences
Examples
The altitude of the D-region ionosphere is too low for satellite measurements of electron density.
Negative ions are a feature of the D-region ionosphere, where they hold a substantial portion of the negative charge.
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show signs of life
show signs of wear
show somebody a clean pair of heels
show somebody around
show somebody off
show somebody round
show somebody round
show somebody the door
show somebody up
show somebody who's boss
show (someone) a clean pair of heels
show someone a clean pair of heels
show (someone) a clean pair of heels
show someone around
show someone off
show someone round
show someone round
show someone round
show someone round (or around)
show someone/something off
show someone/something off
show someone/something up
show someone/something up
show someone the door
show someone the door
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更新时间：2026/4/18 9:49:14