How do you pronounce 正史?

Q: How do you pronounce 正史? A: zing3 si2, e.g.

正史 (zing3 si2) — meaning, pronunciation, examples

正史 (zing3 si2, zhèng shǐ) — the 24 or 25 official dynastic histories; true history, as opposed to fictional adaptation or popular legends

正一 (zing3 jat1) — really; definitely; certainly; absolutely
正三角形 (zing3 saam1 gok3 jing4) — an equilateral triangle
正中間 (zing3 zung1 gaan1) — (noun) middle; centre (adjective) in the middle, central
正反面 (zing3 faan2 min6) — the positive and the negative aspects; the front and the back of something
正告 (zing3 gou3) — to sternly warn
正啱 (zing3 ngaam1) — just right for