常見例句用作形容詞 (adj.)Either of two times of the year when the sun crosses the plane of the earth's equator and day and night are of equal length.太陽每年通過天赤道的兩個(gè)時(shí)刻中的任何一個(gè)時(shí)刻,在此時(shí)各地的晝夜時(shí)間是等長(zhǎng)的。 返回 equal-length