n.凝聚器

The fight was won by a knockout. 这场拳击以一击将对方打倒而获胜。

His new girlfriend is a real knockout. 他的新女友实在很动人。

He has a knockout of a girlfriend. 他有个挺漂亮的女朋友。

Seeing the opponent was off guarded, the boxer landed a knockout punch. 乘对手不提防，那拳击手一下子把他击倒了。

You really look a knockout in your new dress. 你穿上这条裙子真是出尽风头。

He leaves with a record of 39-6 with 30 knockouts. 他留下了创记录的39胜6败，30次击倒对手。