xià / zhì / shí / běi / bàn / qiú / jí / quān / nèi / de / yì / xiē / dì / fāng / huì / chū / xiàn / jí / zhòu

夏至时，北半球极圈内的一些地方会出现极昼。

Around the summer solstice, some places within the polar circle in the Northern Hemisphere experience the midnight sun.