polar nightの例文

例文

1. the polar night occurs in the whole arctic circle to the north of the northern latitude of 66 .6 degrees , and the night of the midnight sun in the entire antarctic circle to the south of the southern latitude of 66 .6 degrees , on the day of toji .
   冬至の日には北緯66.6度以北の北極圏全域で極夜となり、南緯66.6度以南の南極圏全域で白夜となる。