单词	nightglow
释义	nightglow noun night·​glow ˈnīt-ˌglō  : airglow seen during the night Word History First Known Use 1843, in the meaning defined above
随便看	a piece of the pie a piece/slice/share of the pie a pig in a poke a place to call home a poor fourth a poor second a poor second/third/fourth a poor third a pop A post a posteriori A power supply a pretty penny a price on someone's head a priori a punta d'arco a quarter after a quarter of a quarter past a quarter to a question mark over a question of a race against the clock a race against time a rap across the knuckles

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