他轻轻捏住烛芯，把蜡烛熄灭了。

He gently ___snuffed the candle by pinching the wick.

他喜欢饭后吸鼻烟粉。

He enjoys ___snuffing powdered tobacco after meals.

突如其来的暴雨浇灭了我们的野餐计划。

The sudden rainstorm ___ruined out our picnic plans.