turning-point

n time when a decisive change or development takes place 转折点; 转捩点; 转机: The meeting proved to be a turning-point in her life. 那次会见是她一生的转折点. * The discovery of a vaccine was the turning-point in the fight against smallpox. 牛痘苗的发现是根治天花的关键.

turn out to be, turn over, turn round (also turn around), turn sb's blood cold, turn sb/sth down, turn sth inside out, turn to, turn up, turn-about, turn-around (also turn-round), turn-off, turn-on, turn-out, turn-round, turn-up, turn...upside down, turncoat, turner, turning, turning-circle, turnip, turnkey, turnover, turnpike, turnstile, turntable, turpentine, turpitude, turquoise, turret, turreted, turtle, turtle-dove, turtle-neck, turtle-necked, turves, tusk, tussle, tussock, tut,