noun 下载 🔗分享 至日，冬至/夏至 One of the two points in the ecliptic at which the sun is furthest from the celestial equator. This corresponds to one of two days in the year when the day is either longest or shortest. Examples : ""We celebrate the summer solstice with a big family barbecue because it's the longest day of the year." " 我们庆祝夏至，因为那是全年白昼最长的一天，所以会举办盛大的家庭烧烤聚餐。 astronomy time nature space geography science environment 与AI对话词汇游戏阅读练习
