perihelion
导读：perihelion读音音标英[ˌperɪ\\\'hi:lɪən]美[ˌperɪ\\\'hilɪrn]
基本意思释义n.近日点词性变化复数:perihelia;短语及实用例句How much does the direction of perihel
基本意思释义n.近日点词性变化复数:perihelia;短语及实用例句How much does the direction of perihel
perihelion读音音标
英[ˌperɪ\\\'hi:lɪən]
美[ˌperɪ\\\'hilɪrn]
基本意思释义
n.近日点
词性变化
复数:perihelia;
短语及实用例句
How much does the direction of perihelion change each orbit?
近日点方向使每个轨道改变了 多少 ?
英英释义
Noun
1. periapsis in solar orbit; the point in the orbit of a planet or comet where it is nearest to the sun
