normal star的用法和樣例：
例句
- But there are images of binary star systems consisting of one normal star and one black hole, and of the central regions of Galaxies that are believed to contain black holes.
但是有由一個黑洞和一個正常恆星組成的雙子星系統的圖像，和被認為包含有黑洞的星系中心區域的圖像。 - However, if a black hole passes through a cloud of interstellar matter, or is close to another "normal" star, the black hole can accrete matter into itself.
然而，當一個黑洞穿過一片星雲，或者靠近另一個正常恆星時，黑洞將會使它自身的物質增加。
