| 正面 | 7168.astronomical 英 [æstrə'nɒmɪk(ə)l]美 [,æstrə'nɑmɪkl]     |
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| 背面 |     释义： 1、ac- "to" + cid- "fall" + -ent + -al + -ly.adj. 天文的，天文学的；极大的 例句： 1. Houses in the village are selling for astronomical prices.乡村的房价正在飙升。 astronomical (adj.)1550s, from astronomy + -ical. Popular meaning "immense, concerning very large figures" (as sizes and distances in astronomy) is attested from 1899. Astronomical unit (abbreviation A.U.) "mean distance from Earth to Sun," used as a unit of measure of distance in space, is from 1909. Related: Astronomically." |