periastron
/per-ee-as-truhn, -tron/US // ˌpɛr iˈæs trən, -trɒn //UK // (ˌpɛrɪˈæstrɒn) //
围城,周大福,围棋,周边
Definitions
n.名词 noun
- 1
plural per·i·as·tra [per-ee-as-truh]. /ˌpɛr iˈæs trə/. Astronomy.
- : the point at which the stars of a binary system are closest.
Examples
At least, the periastron effects; there was another angle to it.
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