pole star

名词 n.
中文释义
英 /ˈpəʊl stɑː/    美 /ˈpoʊl ˌstɑɹ/

英文释义

名词 n.
  1. The star visible to the naked eye which was in the past, is now, or will be in the future nearest a celestial pole of a planet.
    — Polaris is currently the pole star of planet Earth.
  2. A person, principle, or thing which acts as a guide; a guiding light; also, something which attracts much attention; a centre of attention. figuratively
    — But it [our hotel] has one great advantage for a stranger, by being in the market place, and the next neighbour of the huge church of St. Nicholas: […] A better pole-star could scarcely be desired.

词形变化

pole stars plural polestar alternative pole-star alternative

词源

From pole (“either of the two points on the Earth’s surface around which it rotates; similar points on any other rotating object”) + star, possibly a calque of Latin stēllam polārem (“the Pole Star”).
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