sol·sti·tial /sɑlˈstɪʃəl, sol, sɔl-/
(a.)至的,冬至的,夏至的
Sol·sti·tial a.
1. Of or pertaining to a solstice.
2. Happening at a solstice; esp. (with reference to the northern hemisphere), happening at the summer solstice, or midsummer. “Solstitial summer's heat.”
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