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	escape someone's mind escape someone's notice escape the ax escape tone escape valve escape valves escape velocity escape wheel escape with one's life escaped escaped convict escapee escapees escapeless escapement escapements escaper escapers escapes Louis Treize Louis-Napoléon Louisbourg Louise, Lake Louisiade Archipelago Louisiana

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