solstice
/ˈsɒlstɪs/noun
- either of the two times in the year, the summer solstice and the winter solstice, when the sun reaches its highest or lowest point in the sky at noon, marked by the longest and shortest days至（指夏至或冬至）。
派生词
solstitial
adjective词源
Middle English: from Old French， from Latin solstitium, from sol 'sun'+stit- 'stopped， stationary' （from the verb sistere）.