单词	E layer
释义	E layer noun : a layer of the ionosphere occurring about 65 miles (110 kilometers) above the earth's surface during daylight hours that is capable of reflecting shortwave frequencies Word History First Known Use 1933, in the meaning defined above
随便看	sesbania sesbaniae sesbanias sescuple seseli seselies seselis sesh seshes Sesiidae sesothi Sesotho sesothoes sesothos sesqui- sesquialter sesquialtera sesquialteral sesquialteras sesquialters sesquicarbonate sesquicarbonates sesquicentenaries sesquicentenary sesquicentennial

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