The vote yesterday appears to mark a turning point in the war.
昨天的投票似乎标志着这场战争的一个转折点。
《柯林斯英汉双解大词典》
2
This was a turning point for Mark.
对马克来说这是个转折点。
3
The discovery, if confirmed, will mark a turning point in our exploration of the Red Planet, with future missions to Mars being directed to the locations of seepage.